Questions Asked on
November 13, 2012

gas laws
A balloon contains 10.0g of neon gas. With T kept constant, 10.0g of argon gas is added, and the volume of the balloon expands by less than 2 times. Why?
asked by Parkin 
Chemistry
So I'm not exactly sure how to answer this problem. NaC2H3O2 is soluble Express your answers as ions separated by a comma. If the compound is not soluble, enter noreaction
asked by Claire 
Physics
An astronaut in his space suit and with a propulsion unit (empty of its gas propellant) strapped to his back has a mass of 146 kg. The astronaut begins a space walk at rest, with a completely filled propulsion unit. During the space walk, the unit ejects
asked by D 
Physics
The boom of a crane is 20 m long and is inclined 20ᵒ from the horizontal. A bucket of cement with a mass of 3000 kg is suspended from the upper end of the boom. What is the torque acting on the point where the boom is attached to the crane? A. 5.5 x 105
asked by Tom 
grammar
1. the homework for this week the homework for this week this week’s homework **** homework’s week homeworks weeks 2. the handle of the basket the basket’s handle the handle’s basket ***** the baskets handle the baskets’ handle 3. the collars
asked by jayson 
Physics
The artist Anya Calderona constructs the mobile shown in the figure.(Figure 1) In the illustrated configuration, the mobile is perfectly balanced. Assume the strings and crossbars are massless. If Anya decides to make the star twice as massive, and not
asked by Amy 
Language arts
i need help writing a newspaper article about Johnny Tremain i really don't know how to do a newspaper article cause my language arts teacher wont tell me how to succeed on this? :( im new on connections acadamy so i really don't know. PLEASE HELP!
asked by Lilly 
Chemistry
How many grams of calcium carbonate, CaCO3, do you need in an antacid tablet to neutralize 20 mL of stomach acid? (stomach acid is 0.1 M HCl. There are 3.65g of HCl in 1L of stomach acid or 1g of HCl in 274g of stomach acid).
asked by Marie 
physics
Two parallel plate capacitors are identical, except that one of them is empty and the other contains a material with a dielectric constant of 4.2 in the space between the plates. The empty capacitor is connected between the terminals of an ac generator
asked by derek 
algebra
A movie theater charges $6 for an adult and $3 for a child. if the total amount was 1428 and there were 56 more children than adults  then how many children attended?
asked by dawn 
PHYSICS!?!@@!
A 2.00kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A torque 10.0 Nm acts on the sphere about the center of the sphere in the +x direction. What is the rate of change of the angular
asked by Elyse 
Chemistry
Which of these gases would you expect to have the largest van der Waals constant a? a. H2 b. HF c. F2
asked by Anonymous 
math help pls
1. Evaluate 6r + 7 for r = 1.2. (1 point)0.2 7.2 13 14.2 2. Write an algebraic expression for “Julie runs three miles less than twice the number of miles, n, that Hannah runs.” (1 point)2n – 3 3n – 2 2n + 3 3n + 2 3. Solve 5s + 40 = 55 using number
asked by Anonymous 
physics
Storms in the South Pacific can create waves that travel all the way to the California coast, which are 12,000 km away. How long does it take them if they travel at 15.0 m/s?
asked by Jeff 
7th grade social studies Ms. Sue please
Multiple Choice 1. What was one cause of revolution in Russia? (1 point) The Russian economy was very strong. People were poor and had hard lives. Russians were content with their government. Prince Alexis died. 2. One cause of World War I was the (1
asked by Delilah 
precalculus
Find the focus, directrix, and focal diameter of the parabola. x2 = 5y focus (x, y) = 0, 5/4 directrix:y=5/4 focal diameter=5 Sketch its graph? my answers seem to be correct but i cannnot sketch the graph correctly.
asked by Ama 
precalculus
Find the focus, directrix, and focal diameter of the parabola. y2 = 8x
asked by Ama 
physics
A freight train has a mass of 1.5 x 10^7 kg . If the locomotive can exert a constant pull of 7.5 X 10^5 N, how long does it take to increase the speed of the train from rest to 80 km /h?
asked by tionne 
chemistry
given 2C6H6+15O2>12CO2+6H2O 1. Starting with a confined volume of 4.80L and O2 with a partial pressure of 223.1 torr at 25 degrees C. C6H6 is in excess. The reaction is allowed to proceed to completion. The container is returned to 25C. Both liquid water
asked by stacy 
math
A solar home contains 3.50 multiplied by 105 kg of concrete (specific heat = 1.00 kJ/kg·K). How much heat is given off by the concrete when it cools from 29 to 20°C?
asked by Adam 
PHYSICS help!!!!! =)
An object is rotating with an angular momentum 4.00 kg m2/s while being acted on by a constant torque 3.00 Nm. What is the angular speed of precession of the angular velocity of the object? A.1.33 rad/s. B.0.750 rad/s. C.12.0 rad/s. D.zero. E.It depends on
asked by Elyse 
Physical Science Need Help Please!
A light beam has a frequency of 5 x 1015 Hz. What is its wavelength?
asked by Jana 
possessive form of nouns
Could someone check my work please? 1. the homework for this week the homework for this week this week’s homework(my choice) homework’s week homeworks weeks 2. the handle of the basket the basket’s handle the handle’s basket(my choice) the baskets
asked by jayson 
math help! 1 question!!!
On a given blueprint, 1 inch = 16 feet. If the dimensions of the bedroom on the blueprint are 0.75 inches × 1.5 inches, what are its actual measurements 16 ft × 32 ft 12 ft × 24 ft 16 ft × 24 ft 12 ft × 32 ft
asked by ? 
Chem
Is this reaction endothermic or exothermic? Ca(C2H3O2)2(s) = Ca2+(aq) + 2C2H3O2(aq)
asked by Chris 
chemistry
given 2CH3OH+3O2>2CO2+4H2O 1. Calculate number of grams of CH3OH required to react with 34.0L of O2 at STP. 2. How many liters of CO2 at 18 degrees Celcius and 6.94 atm are produced when 3.40 mol of CH3Oh is burned completely. 3. What volume of CO2 is
asked by sheila 
chemistry
given 2C6H6+15O2>12CO2+6H2O 1. Starting with a confined volume of 4.80L and O2 with a partial pressure of 223.1 torr at 25 degrees C. C6H6 is in excess. The reaction is allowed to proceed to completion. The container is returned to 25C. Both liquid water
asked by stacy 
calculus
An auditorium with a flat floor has a large screen on one wall. The lower edge of the screen is 3 feet above eye level and the upper edge is 10 feet above eye level. Assume you walk away fron the screen at a rate of 3 ft/s while looking at the screen. What
asked by Jason 
chem
the pressure 15 meters under water is 248 kPa what is the pressure in atm what is the pressure in mmHg
asked by christie 
precalculus
Write the trigonometric expression in terms of sine and cosine, and then simplify. cos u + sin u tan u
asked by Ama 
math
A bank teller has some fivedollar bills and some twentydollar bills. The teller has 10 more of the twenties. The total value of the money is $ 850. Find the number of fivedollar bills that the teller has.
asked by sshelby 
math
What properties of light do the frequency and amplitude of light waves represent?
asked by rachel 
7th grade English Ms. Sue please
1. Which of the following examples of dialogue shows the correct punctuation? (1 point) Madison said, "We should all go to the hardware store". Madison said, "We should all go to the hardware store." Madison said "We should all go to the hardware store."
asked by Delilah 
physics
Radio waves transmitted through space at 3.00¡¿10 8 m/s by the Voyager spacecraft have a wavelength of 0.120 m. What is their frequency?
asked by Jason 
Physics
A cannon ball is fired at 50 m/s at a 37 degree angle above the horizontal. Calculate the time the cannon ball in the air, calculate how high it rises and calculate how far from the cannon the ball lands? Answers: 6.14 s, 46.2 m, 245.2 m
asked by Victoria 
Lies
What is a synonym for ugly
asked by G 
Math
Rick's car gets 29.7 miles per gallon on the highway.If his fuel tanks hold10.45 gallons,then how far can he travel on one full tank.?
asked by Sunny 
Math
Dorian's score of 558 on the writing portion of the 2009 SAT exam placed him in the 72nd percentile. If the mean on this exam was 493, what was the standard deviation?
asked by Angie 
8th grade math
What is the area.in square yards of a rectangular Field that is 25 yards long and 20 yards wide.
asked by neka 
physics
A 11.1kg block rests on a horizontal table and is attached to one end of a massless, horizontal spring. By pulling horizontally on the other end of the spring, someone causes the block to accelerate uniformly and reach a speed of 3.12 m/s in 1.17 s. In
asked by Michelle 
College Algebra
Find a polynomial function f(x), with real coefficients, that has 1 and 3+2i as zeros, and such that f(1)=2 (Multiply out and simplify your answer)
asked by Patrick 
physics
a plane flys 350 km south along a straight path with an average velocity of 125 km/h to the south. the plane has a 30 minute layover and then travels 220 km south with an average velocity of 115 km/h to the south. what is the average velocity of the trip
asked by connor 
Chemistry
At room temperature, the surface tension of water is 72.0 mJ·m^–2. What is the energy required to change a spherical drop of water with a diameter of 1.80 mm to three smaller spherical drops of equal size? The surface area of a sphere of radius r is
asked by Anonymous 
math question
How do you write 1/2 as a percent?
asked by JJ 
English 4
Name five of the political or economic events in the seventeenth or eighteenth centuries that influenced social unrest.
asked by Monica 
chemistry
CH3CH2CH=CHCH3 KMnO4> Include all steps of reaction, any additional reagents/conditions needed and the products formed. ive been stuck on this for hours need help please
asked by CHRIS 
history
please help me on my history assessment its due tomorrow morning so its urgent the assessment is based on world war 1 innovation and inventions we were to choose a technology and i choose weapons now we have to write how did weapons make world war 1 a war
asked by tonitara 
Math
Tell whether the data collected is continuous or discrete. Rose recycles aluminum cans each week. She records the total number of cans she recycles each week. Jackson is at a crab race. He records the distance traveled by his pet crab each minute.
asked by Anonymous 
Chemistry
In the "Methode Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine. The reaction is given below. C6H12O6(aq) 2 C2H5OH(aq) + 2 CO2(g) Fermentation of 712 mL grape juice (density = 1.0 g/cm3) is allowed to take place in a
asked by Zachary 
physics
While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.50 piece of fishing line. The weight makes a complete circle every 0.40 .
asked by Anonymous 
physics
the side of an equilateral triangle is 20 cm identical charges of 1.5x 10^5 C are placed at each of the 3 vertices. If a test charge is placed at the middle of equilateral triangle what force would be acting on the test charge?
asked by jesmaincruz 
Math 150
an online quiz is made of 10 multiple choice questions. each question on the quiz has choices a,b, or c. how many different ways are there to complete the quiz answering all 10 questions.
asked by Anthony 
math
evaluate the following expression if a= 2, h=5 and w= 8 aw^2(w is squared)hw I did (2)(8)^2(5)(8) (2)64(5)(8) 128(5)(8) 128(40) 128=40= 88 I believe this is correct but I want to make sure. Thank you for your help
asked by Es 
quemistry
arrange the following groups of elements in order of increasing ionization energy : a. Be,Mg,Sr. b. Bi,Cs,Ba. c. Na,A1,S
asked by cris 
English
You certainly have a right to cheer for your team but try not to become too _____ and unruly partisan? You told me partisan was wrong but its my only word left
asked by Jerald 
Physics
A certain light truck can go around a flat curve having a radius of 150 m with a maximum speed of 29.0 m/s. With what maximum speed can it go around a curve having a radius of 88.0 m?
asked by Greg 
Science
1. A certain radar installation transmits electromagnetic radiation with a wavelength of 2.5 cm. What is the frequency of this radiation? 2. For the radar above, how many seconds will it take for a signal to reach an airplane 15 km away, and return to the
asked by Caroline 
Physics
A collision cart runs off the edge of a lab table that is 0.95 meters high. How fast did the collision cart leave the table and hit the floor when the cart lands 0.40 meters from the base of the table? Answers 0.91 m/s, 4.41 m/s
asked by Victoria 
Physics HELP!!
Four masses are connected by 27.1cm long, massless, rigid rods. If massA=237.0g, massB=511.0g, massC=257.0g, and massD=517.0g, what are the coordinates of the center of mass if the origin is located at mass A? ^ I already got this part: x coordinate 13.78
asked by sarah 
honors algebra
the volume V of a rectangular prism is given by V=lwh, where l is the length of the prism, w is it's width, and h is its height. The length of a certain rectangular prism is three times its width, and its height is 2 feet less than its width. write a
asked by amy 
physics
Wind gusts create ripples on the ocean that have a wavelength of 5.00 cm and propagate at 2.00 m/s. What is their frequency?
asked by Jason 
Chemistry
How many grams are in 50.0 mL 2.0 M of HCl? Please help me!!! I think the answer is 3.57g but I am not sure. Thank you :)
asked by Mary 
Physics
A robot probe drops a camera off the rim of a 105.0 m high cliff on Mars, where the freefall acceleration is 3.70 m/s2. Find the velocity in m/s with which the camera hits the ground.
asked by Asia 
Physics
Water is flowing through a horizontal pipe at a rate 0.2 m3/s. The pipe narrows from a radius of 10 cm to 4 cm. What is the change in pressure?
asked by Andrea 
Math, Physics
The pressure in a fire hose is 20 atm. How high can a firefighter spray water from this hose? One atm is about 1×105 Pa. The density of water is 1.0 g/ml, or 103 kg/m3. The acceleration of gravity, g, is 9.8 m/s2.
asked by Willie 
chemistry
What role does RNA play in proteomics and why?
asked by sherry 
chem
If an albumin solution replaces starch inside the dialysis tube, would it be detected in the liquid outside the dialysis tube
asked by prince 
Chem 1A
Would I use half reactions to balance: Cl_2 > Cl + ClO_3 ?
asked by Parkin 
Math, algebra!! Please help!!!!!!
Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your
asked by Jessica 
Math
during a match, pat kicks a football onto the roof of the stand. The stand and the path of the ball are at righ angles to each other. The path of the ball is given by y=2.5xx^2÷15 The roof of the stand is given by y=x÷2+48 ÷5, where 18
asked by Ellie 
Business
Explain, in several paragraphs (no more than four), the implications of the Malcolm Gladwell article, "How David Beats Goliath." Apply some aspects of the article to your experience and future.
asked by Mary 
math
How do you write this problem in algebraic expression (four different people came in today; and each bought one third of a box and 13 candies)
asked by chase 
calculus
A hotair balloon is 150 feet above the ground when a motorcycle passes directly beneath it (traveling in a straight line on a horizontal road). The motorcycle is traveling at 40 mph. If the balloon is rising vertically at a rate of 10 ft/sec, what is the
asked by Leigh 
MATH FIFTH GRADE MATH!!!!!!!!!!!!!!!!!!
WHICH DATA LANDMARK BEST REPRESENTS THE NUMBER OF HOURS A TYPICAL STUDENT WATCHES TV THE MEAN, MEDIAN, OR MODE
asked by URGENT!!! 
3rd math
Tessie multiplied 3x4, and then doubled it to find 6x8 .did she get the correct answer ? Explained
asked by Anna 
Math
An object is acted upon by two forces, u and v, with direction angles €u and€v, respectively. Find the direction and magnitude of the resultant force. U= 30lb €u = 0degrees v= 90lb €v =60 degrees
asked by Jace 
American history
Can someone help me go over my answers 1. If you were a reformminded person who, above all, loathed the social problems associated with alcohol, you would have been especially sympathetic to the (A. WCTU.) B. Mugwumps. C. Comstock Law. D. evangelical
asked by Leeah 
chemistry
Microwaves are used to heat food in microwave ovens. The microwave radiation is absorbed by moisture in the food. This heats the water, and as the water becomes hot, so does the food. How many photons having a wavelength of 3.00 mm would have to be
asked by Carson 
math
what is 4x8????
asked by telsm 
psychometric test
Hi i have been given an experiment paper on personality, in this we have to come up with an updated version of Eysencks (EPI) questionnaire. This is to measure extroversion only ,we are measuring concurrent validity. Im having difficult in answering the co
asked by tom 
chemistry
what is the name of the 9 carbon continuoschain alkane?
asked by Mountain 
ENGLISH/DEFINITION
WHAT DOES ACOOUNT OUTLIER MEAN BOI?
asked by URGENT!!! 
physics
How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s?
asked by Jimmy 
math
compare and order 7/12, 2/3, and 6/15
asked by Cullen 
physics
How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s?
asked by Jimmy 
physics
an object accelerates at 0.8m/s2 when a resultant force of 200n is acting on it what is the mass of the object
asked by james 
english
Word bank agenda amiable befuddle blight boisterous clarity compliant conserve debut gory gross induce leeway limber maze oracle partisan reimburse vacate vagabond You certainly have a right to cheer for your team but try not to become to ___ and unruly
asked by Jerald 
English
Choose the best way to correct the fragments below. If the item is a complete sentence, choose option d. A.Before we buy or tickets tomorrow. B.Before we buy our tickets, we should check the weather. C.We buy our tickets before. D.This is a complete
asked by Deborah 
Physics
The 3.1 , 38cmdiameter disk in the figure is spinning at 310 . How much friction force must the brake apply to the rim to bring the disk to a halt in 2.6 ? Express your answer using two significant figures.
asked by Amy 
Physics
True or false: If two planets have the same mass but the second one has twice the gravity, it must have four times the radius
asked by Willie 
English
Correct the sentence or choose D if it is complete. Bring money for snacks. A.Bring money for snacks when we go to the zoo. B.Will you bring money for snacks? C.You should bring money for snacks. D.This is a complete sentence. No correction is necessary I
asked by Deborah 
Algebra 8th grade please help!!!!!!
Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your
asked by April :) 
English
Correct the following sentence or choose D if correct. The oldest animal at the zoo. A.At the zoo, the oldest animal. B.Saw the oldest animal at the zoo. C.The tortoise is the oldest animal at the zoo. D.This is a complete sentence. No correction is
asked by Deborah 
physics
A tow truck does 3.5 k j of pulling horizontally on a stalled truck to move 2.8 m horizontally in the direction of the force. What is the magnitude of the force.
asked by sam 
biology
i need help with my genisis essay and it cant involve religion
asked by victor 
Gas Laws
What equation would I use to solve this problem: The volume of a balloon is 3.78 L at 22.8°C. The balloon is heated to 42.4°C. Calculate the new volume of the balloon.
asked by Parkin 
math
5x^2=45 How to simplify?
asked by linda 
algebra
How do you graph y=4^x
asked by antonio 
problem solving
An averagesize female spider and a large spider can lay a total of 2100 eggs at one time. the large spider lays 20times the number of eggs as the averagesize spider. how many eggs does the average sized spider lay
asked by jose 
Physics
Please help The year is 2115. There is a high jump competition on planet Mars. An athlete of mass 72 kg who has been clearing a height of 2.44 m on Earth just the week before is competing here. What is the height this athlete can expect to clear in this
asked by Gabby 
chemistry
CH3CH2CH=CHCH3 KMnO4> Include all steps of reaction, any additional reagents/conditions needed and the products formed. ive been stuck on this for hours need help please
asked by CHRIS 
Calculus
Find the absolute maximum & minimum of the function f (x)=e^x for any closed interval [a,b] Justify your answer.
asked by Daniella 
english
In this case: Your teacher is carrying a pile of heavy books. Offer help. what is better to say? Shall I carry that for you? or Sorry, can I help you? Thanks :) Minnie
asked by Minnie 
gas laws
A balloon contains 10.0g of neon gas. With T kept constant, 10.0g of argon gas is added, and the volume of the balloon expands by less than 2 times. Why?
asked by Parkin 
chemistry
CH3CH2CHCHCH3 HIO4>   HO OH Include all steps of reaction, any additional reagents/conditions needed and the products formed. ive been stuck on this for hours need help please
asked by CHRIS 
Physics
a 65 kg male skater pushes a 45 kg female skater causing her to accelerate at a rate of 2.0 ms ^2 at what rate will the male skater accelerate? What is the rate of his acceleration?
asked by tionne 
English
Can someone please proofread my essay, if so let me know and if you don't mind giving me your email address so I can send it to you Thanks
asked by Jessica 
physics
A block rests on a frictionless horizontal surface and is attached to a spring. When set into simple harmonic motion, the block oscillates back and forth with an angular frequency of 9.0 rad/s. The drawing shows the position of the block when the spring is
asked by Michelle 
physics
When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, it oscillates at a frequency of 14.2 Hz. When another object of mass m2 is hung on the spring along with the first object, the frequency of the motion is
asked by Michelle 
Finance
United Technology Corporation (UTC) has $40 million of convertible bonds outstanding (40,000 bonds at $1,000 par value) with a coupon rate of 11 percent. Interest rates are currently 8 percent for bond of equal risk. The bonds have 15 years left to
asked by John 
calculus
okay i need to find the derivative of f(x)=πsin2x and f(x)=cosπx^2  π is pi and if you could show steps it would be GREATLY appreciated. thank you so much!
asked by tim 
calculus
The Horizontal Assymptote for the graph of f(x) = (6x3 +2x + 5)/(x31) is the horizontal line with equation y=___
asked by joel 
physics
A 82.5kg climber is scaling the vertical wall of a mountain. His safety rope is made of a material that, when stretched, behaves like a spring with a spring constant of 1.82 x 103 N/m. He accidentally slips and falls freely for 0.739 m before the rope
asked by Michelle 
Maths
Find the derivatives of these: f(x)=√
asked by alexis 
Physics
car going 15 m/s is brought to a rest in a distance of 2.0 m as it strikes a pile of dirt. how much average force is exerted by the seatbelts on a 90 kg passenger as the car is stopped?
asked by tionne 
Physics Help, Please
Two speakers, A and B, are emitting identical, synchronized (inphase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets quieter, reaching a minimum when
asked by Michael 
math
please graph 4x^2/(x^31) and show asymptotes
asked by Betty 
Physics
An airplane has a mass of 2.04 × 104 kg and takes off under the influence of a constant net force of 2.18 × 104 N. What is the net force that acts on the plane's 86.0kg pilot?
asked by Tim 
French
Fill in the blanks. On regarde la carte ____ de commander. Pierre ___ a(accent grave) italien au lyce(accent aigu)e.
asked by Helene 
Maths
Find the derivatives of these: f(x)=(√(x))sinPix Also: f(x)=√(Cosx+sinx) Steps would be greatly helpful as I will be able to use them as reference. Thank you.
asked by Alexis 
writing. to pilgrims
Subject. writing to pilgrims. I need help on 3 reasons why pilgrims should not eat turkey for thanksgiving and examples with it.
asked by Celest 
Math
Please help me math is boring and I'm a kinestetic learner please help its not fun please help man!!
asked by Sorrycanttellyou 
English
None of us could possible overlook the ___ error the waiter made in adding up our check gross?
asked by Jerald 
Physics
What is the orbital speed of a satellite of mass 490 kg in geostationary orbit?
asked by Josh 
science
summerize how isostatic adjustments affect isostasy
asked by crissy 
Physics
crane lifts a 75 kg girder 8.85 m. How much work does the crane do lifting with an upward acceleration of 1.20 m/s ^2?
asked by tionne 
Physics
A helicopter drops a box from 120m in the air. a. Determine the time the box is in the air. b. determine the velocity the box would have right before it hits the ground c. Before the helicopter had a horizontal velocity of 55/s. Determine the distance the
asked by Karen 
english  Ms. SUe
My friend Mary is coming with us to the zoo. Identify the underlined part which is My friend Mary complete predicate complete subject simple predicate simple subject I think it is complete subject...?
asked by Deborah 
spelling
eioubdhrs unscramble
asked by Anonymous 
English
I think we should visit the monkeys first. Identify the word visit in the sentence... complete predicate complete subject simple predicate simple subject I think it is simple subject? yes?
asked by Deborah 
Trigonometry
simplify using imaginary number i. Division: square root of 5/square of 7.
asked by Josh G. 
Chemistry
A 5ml, 10ml, 15 ml, and 20ml Aliquot of 0.010 M sodium salicylate solution was diluted to 100 ml in four different 100ml volumetric flasks with the iron (III)Chloride solution. What are their concentrations.
asked by Emma 
CHM
How might chromophores, auxochromes, and solubilizing groups be responsible for the position of dyes on a chromatogram?
asked by Jerett 
Calculus
Consider f(x)=x^3x over the interval [0,2]. Find all the values of C that satisfy the Mean Value Theorem (MVT)
asked by Daniella 
chemistry characterization & analysis of aspirin
write a balanced equation that describes an acid base reaction that would allow you to determine the moles of aspirin present in a sample
asked by molly 
Physics
a spring with a spring constant k= 1340 N/m is oriented find the rate of compression
asked by tionne 
medical coding/billing
I need help finding the ICD9CM code for excision of left flank tissue mass. Layered closure measuring 4cm with margins prior to excision?
asked by bp 
Math
Jillian wants to organize her CD collection into wooden crates. Each crate holds 8 CDs. Jillian has 48 CDs. How can she use a picture to figure out how many crates she needs?
asked by Max 
7th grade math
how do I write an equation for "fifteen decreased by twice n equals 13"
asked by karen 
Math calculus
an automobile starts from rest and travel 4 miles along a straight road in 5 minutes. Use the mean value theorem
asked by Bernard 
Math
A bag contains 10 marbles: 1 red, 2 blue, 3 green, and 4 yellow. I reach into the bag and pick 5 marbles at random. Determine the probability that my pick has: (a) At least 2 yellow marbles. (b) At least 2 yellow marbles and at least 1 green marble. (c)
asked by April 
English  Ms, Sue
After that, we can get some popcorn at the snack bar. Identify can get some popcorn at the snack bar... complete predicate complete subject simple predicate simple subject I think it is complete predicate  yes?
asked by Deborah 
Science Help!
A light beam has a frequency of 5 x 1015 Hz. What is its wavelength?
asked by Caroline 
science
whats silicons biggest isotope and which one is the smallest?
asked by Cody Coen 
Physics
sofa wont fit through the door so i lift the 86.1 kg sofa 17.2 m from the street. how much time will the lift take?
asked by tionne 
math
what is a median using math what graph do you use when your listing peoples favorite sport and height how many types of grapha are there please name all
asked by Anabelle 
Physics
A 96.6kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with an acceleration of 1.79 m/s2, (b) moving upward at a constant speed, and (c) accelerating downward with an acceleration of 1.14
asked by Tim 
math
I need to write a multiplication or division equation with a variable for the unknown for this problem: Maddie plants 3 seeds in each of 15 plots.
asked by stephanie 
physics
find the change n momentum of a 1120kg car that increases its speed / what minimum force is need to do this?
asked by tionne 
trigonometry
Suppose (x, y) =(4, 5) and θ is an angle in standard position with (x, y) on its terminal side. What is the degree measure of angle θ? im not sure how to do this one problem plz show step by step
asked by v 
chemistry
select from the following the most appropriate concentration for NaOH to titrate a sample that contains 250mg of aspirin: a. 0.01 M b. 0.10 M or c. 1.0 M and explain why you chose it.
asked by Anonymous 
algebra
six people ate one tenth of a pie and there was two fifth left. How much pie did she start with?
asked by k 
Algebra
Task Type: Individual Project Deliverable Length: 3 Parts: See Assignment Details Points Possible: 150 Due Date: 11/5/2012 11:59:59 PM CT Weekly tasks or assignments (Individual or Group Projects) will be due by Monday and late submissions will be assigned
asked by Grace 
chemistry
Q#1:what would you look for in a tlc experiment to determine whether or not your sample was pure? Q#2:could you determine the extent to which your sample may be contaminated with the tlc technique?
asked by Anonymous 
English
Word bank agenda amiable befuddle blight boisterous clarity compliant conserve debut gory gross induce leeway limber maze oracle partisan reimburse vacate vagabond Choose a word from the word bank to find a word that is most nearly or the same to the words
asked by Jerald 
Language Arts
Which of the following statements about a short story plot is not true? (1 point) The plot has a beginning, middle, and end. The plot is when and where the story takes place. The plot usually starts with a problem and ends with a solution.
asked by Camryn 
math
kevin has a rabbit,a ferret,a gerbil,and a turtle. he feeds them in a different order every day. in how many different orders can kevin feed his pets
asked by kevin 
physics
A person bending forward to lift a load with his back, as shown in the figure, rather than with his knees can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal
asked by Anonymous 
Physics
average force
asked by tionne 
Chemistry
How many moles of acid are there in 20 ml of a 2.0 M HCl solution?
asked by Sade Brown 
Physics
An airplane is flying in a horizontal circle at a speed of 106 m/s. The 81.0 kg pilot does not want the centripetal acceleration to exceed 6.16 times freefall acceleration. Find the minimum radius of the plane’s path. The acceleration due to gravity is
asked by Kyla 
physics
The tub of a washer goes into its spindry cycle, starting from rest and reaching an angular speed of 2.9 rev/s in 8.5 s. At this point the person doing the laundry opens the lid, and a safety switch turns oﬀ the washer. The tub slows to rest in 11.6 s.
asked by Alyssa 
Calculus
Can I simplify (x^.75)((2003x)^.5)?
asked by Devin 
general chemistry
The gas with a pressure of 1100 at 175 is cooled to 0 °C find out what the Pf= in torr
asked by jazmin 
math
If p is an odd prime, prove that (2/p)=(1)^[(p^21)/8]
asked by Amanda 
probablility
you have blue, yellow and green marbles. 24 marbles in bag, how many are blue
asked by Anonymous 
math
A Trapezoid has an altitude of 12 cm.. its parallel sides measure 10 and 8 cm .. Whats the area
asked by Anonymous 
Science
I need help with static electricity and generating current electricity.
asked by Aamira 
Precalculus
A sailboat leaves port and sails for 7 miles NE and then 9 miles NW. If the speed remains constant, what bearing would take the sailboat home?
asked by Jo 
chemistry re crystalizing
describe basic steps to take recrystalizing synthesized aspirin. using two solvents to perform this task (ethanol and water)which solvent should be used to dissolve the aspirin and which one should force it out of the solution
asked by justin 
prealgebra
write 16/19 in decimal notation
asked by lisa 
science
1.)A sample of ammonium nitrate contains 70 g of nitrogen.what is the mass of the sample? 2.)no. of gram atom of ca in 100 g of caco3(mol.wt. of caco3=100g)
asked by divya 
5th grade math
what is 1 minus 1sixth minus 11 eighteenths?
asked by Ryan 
math
A Japanese beetle has a lenght between0.3 and 0.5 inch. Find two lenghts that are within the given span. Write them as fractions in simplest form.
asked by marquisha 
algebra
*simplifying rational expressions a. 6x+12/4x b. 3x^2/122x
asked by jaime 
physics
A staging that weighs Wstaging supports a painter weighing 170 N. The reading on the left scale is 490 N and the reading on the right scale is 220 N. 490 N 220 N What is the weight of the staging? Answer in units of N
asked by Liam 
english
What is right? You might be taller, but I can jump higher! or .. I could jump higher?
asked by Minnie 
chemestry 130
6.00 moles H2S*6.02*10^23/1 mole H2S
asked by Anonymous 
U.s. history
3. The members of the Niagara Movement denounced Booker T. Washington’s advocacy of gradual progress for African Americans. immediate social equality for African Americans. racial segregation of public schools. African Americans running for national
asked by Jessica 
Physics HELP!!
What is the vector product of (4, 3, 5) and (5, 4, 2)? A. (26, 33, 1) B. 22 C.(20, +12, 10) D.(9, 7, 3) E.(14, 17, 1)
asked by Elyse 
managerial economics
Total cost function of a firm is TC= 200+4Q+2Q squared If the firm is perfectly competitive and the price of its product is $24, what is its optimal output rate?
asked by louise 
3rd math
What two multiplication facts can be added to find 3x7
asked by morgan 
Geometry
Find the coordinates of the circumcenter of triangle DEF D(6,0) E(0,6) F(6,0)
asked by Arianna1996love 
physics
A test charge of +2 x 10^7 C is located 5 cm to the right of a charge of +1 x 10^6 C and 10 cm to the left of a charge of 1x10^6 C. The three charges lie on a straight line. Find the force on the test charge? with solution
asked by jesmaincruz 
Math
What is the next number in the pattern 20,000;4,000;800;160;____
asked by Christian 
Math
Identify the property or rule shown by each number sentence: 5 * (2*4) = (5*2) *4
asked by Nick 
Social work
Select a culture that you are familiar and describe the structure and culture of that community?
asked by Keke 
precalculus
Verify the identity. csc t − sin t/csc t= cos2 t
asked by Ama 
science
FORGET IT I WILL ASK SOMEONE ELSE:(
asked by Cody Coen 
physics
The net external force on the propeller of a 3.9 kg model airplane is 6.8 N forward. What is the acceleration of the airplane?
asked by Brett 
math
a school is divided into 4 houses,P,Q,R and S.On sports day,the students line up so that a student from P is first in line,then a student from Q then a student from R then a student from S,then a student from P and so on with same order repeating.From what
asked by wan 
physics
The net external force on the propeller of a 3.9 kg model airplane is 6.8 N forward. What is the acceleration of the airplane?
asked by Brett 
chemistry
describe basic steps to take recrystalizing synthesized aspirin. using two solvents to perform this task (ethanol and water)which solvent should be used to dissolve the aspirin and which one should force it out of the solution
asked by morgan 
Calculus
use implicit differentiation to find dy/dx if x^3+y^3=6xy
asked by Jeremy 
physcis
A soccer ball kicked with a force of 14.8 N accelerates at 6 m/s2 to the right. What is the mass of the ball?
asked by Brett 
trig
Olivia has a pool slide that makes an angle of 25º with the water. The top of the slide stands 4.5 feet above the surface of the water. The slide makes a straight line into the water. How long is the slide?
asked by Anonymous 
physcis
A soccer ball kicked with a force of 14.8 N accelerates at 6 m/s2 to the right. What is the mass of the ball?
asked by Brett 
Calculus
use implicit differentiation to find dy/dx if x^3+y^3=6xy
asked by Jeremy 
physics
A soccer ball kicked with a force of 14.8 N accelerates at 6 m/s2 to the right. What is the mass of the ball?
asked by Brett 
Physics
Traveling at a speed of 20.0 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.540. What is the speed of the automobile after 1.11 s have elapsed?
asked by Tim 
Fundamentals of Taxation
Taxable income includes: a. child support b. sick pay c. welfare payments d workers compensation payments
asked by Lourane 
maths
simplify: 9X2  21X2
asked by Anonymous 
Algebra 2
Plan A charges $5 per minute plus a one time monthly fee of $75 and plan B charges $7 per minute, plus a one time monthly fee of $25. After how many minutes will the total cost of the two equations be the same?
asked by Bill 
Fundamentals of Taxation
A taxpayer can exclude from income interest received from: a a savingsaccount established at a local bank b. a credit union c. a sellerfinanced mortgage transaction d. municipal bonds issued by the state.
asked by Lourane 
Fundamentals of Taxation
Hamad is an employee of Mountain Company. He properly completed his Form 1040EZ tax return and was requird to pay the IRS $1,244 at the time of filing. He had income tax withholding during the year of $4,782. His tax liability for the year was a $1,244 b
asked by Lourane 
US history
What were the gains and losses of British and American Revilution?
asked by Lily 
english
beautiful china figures Are you look for an ideal gift for a friend or loved one?Why not choose one of our beautiful china figures to give to someone special.Each figure comes on a wooden stand with a gold plaque where we will engrave your chosen message.
asked by llp 
math
what % of the numbers are multiples of 3 from the hundreds chart
asked by wan 
College Algebra
6000 seat theater tickets for sale $25 and $40 how many tickets should be sold at each price for total revenue of $192,000
asked by Varice Anderson 
economics
Answer the next three questions on the basis of the following production possibilities data for Francia and Galacia. All data are in tons. (3 marks) Francia production possibilities: A B C D E Soup 60 45 30 15 0 Nuts 0 15 30 45 60 Galacia production
asked by moha 
math
what %of the numbers are multiples of both 2 and 3
asked by wan 
math
what % of the numbers are factors of 100
asked by wan 
Chemistry
If 32.6 g of aluminum is produced, how many moles of aluminum nitrate is reacted?
asked by Kim 
math
what %of the numbers are prime numbers
asked by wan 
ACT Math
Carlos goes to a local deli for lunch and orders a sandwich. He needs to choose a bread, a meat, a vegetable, a cheese and a source. How many sandwich combinations are possible? Assume Carlos always pick only one item from each category. Bread: Italian,
asked by Albert 
Precalc
Prove or disprove the following identity. cos(x)  sin(x) = cos(x) + sin(x)
asked by George 
art
1. This type of artwork can usually be found on buildings or other public property. (1 point)scraffito intaglio graffiti graphics 2. This is an example of artwork that uses the written word. (1 point)photography calligraphy intaglio scraffito 3. This is
asked by Anonymous 
chemistry
assuming the reaction goes to completion, determine the final concentration of NH4Cl in the calorimeter. NH4Cl(s)+ H2O(l)> NH4Cl(aq) concentration of NH4Cl is 1.00M its specific heat is 3.93 and density is g/ml. note: the exact same question was asked for
asked by sara 
math
how many multiples of 11 are there between 200 and 500
asked by wan 
Precalc/Triangles
Draw and solve any triangles satisfying alpha = 29 degrees a = 7 c = 14 I realize I need to draw a nonright triangle and label the sides but I am completely confused one what to do after I draw the triangle
asked by Greg 
Trig Identity
Prove or disprove the following identity sin^4theta  cos^4theta = sin^2thetacose^2theta
asked by Jerry 
physics
A projectile MUST____. List all that apply. a) experience a net downward force b) have a constant speed c) be accelerating d) be changing its velocity e) be moving downward f) have a horizontal motion in addition to a vertical motion
asked by michael 
English
After that, we can get some popcorn at the snack bar. Identify "Can get some popcorn at the snack bar" complete predicate complete subject simple predicate simple subject I think it is complete predicate  tell me I'm right... :)
asked by Deborah 
physics
A projectile MUST____. List all that apply. a) experience a net downward force b) have a constant speed c) be accelerating d) be changing its velocity e) be moving downward f) have a horizontal motion in addition to a vertical motion
asked by michael 
Fundamentals of Taxation
Taxable income includes; a child support b sick pay c welfare payments d workers compensation payments would the answer be a
asked by Lourane 
Prove or disprove?
cos(X+pi/6) + sin(xpi/3) = 0 I am working with one side but I am not sure if I can subtract at all here.
asked by Jerry 
Fundamentals of Taxation
Tom and Betsy who are married filing jointly, reported a standard deduction of $11,400 on their 2010 tax return. They paid $500 to the state for income tax in 2010. In 2011, they received a $125 refund of state taxes paid in 2010. What is the amount that
asked by Lourane 
math
last year bob's age was a square number and next year it will be a cube number.How old is Bob now?
asked by wan 
maths
A 3 cm cube is painted on all its faces.It is then cut into 1 cm cubes.How many cubes will have paint on exactly 2 faces?
asked by wan 
Calculus
Find an equation of the tangent line to the curve for the given value of t. x=t^22t, y=t^2+2t when t=1
asked by James 
Physics
A rotating wheel requires 8.00 s to rotate 29.0 revolutions. Its angular velocity at the end of the 8.00 s interval is 95.0 rad/s. What is the constant angular acceleration of the wheel? (Do not assume that the wheel starts at rest.)
asked by Greg 
Math
What are the least and greatest numbers written in the hundredths that could round to 164.8 and explain your answer?
asked by Nicholas 
5th grade math word problems
bob started each work on the hour. one day he decided to start work twenty minutes early. he started work when his digital watch had consecutive numbers. what time did he start work
asked by Anonymous 
physics
what is acceleration of an object over a 4second period if its starting velocity is 8 m/s and it velocity is 20 m/s?
asked by christina 
math
the population of Ling is partly english and partly french.If 80% speak english and 70% speak french,what percentage speak both languages?
asked by wan 
Science 8R  help
Homework  Look around your house and give an example of each phase of matter phase of matter is gas, liquid, and solid????? right???
asked by Laruen 
Physics
A race car starts from rest on a circular track of radius 445 m. The car's speed increases at the constant rate of 0.380 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following. (a) the speed of
asked by Greg 
math
rewrite each expression using the distrubitive property 6x + (5x)
asked by al 
Physics
In 0.369 s, a 14.2kg block is pulled through a distance of 3.60 m on a frictionless horizontal surface, starting from rest. The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the block. The spring
asked by cody 
Physics
A sled and rider, gliding over horizontal, frictionless ice at 4.9{\rm m/s} , have a combined mass of 86{\rm kg} . The sled then slides over a rough spot in the ice, slowing down to 2.1{\rm m/s} What impulse was delivered to the sled by the friction force
asked by Cassie 
Math
How do I factor (ab+3a5b15) by grouping?
asked by LeeAnn 
Physics
An air puck of mass 0.23 kg is tied to a string and allowed to revolve in a circle of radius 1.0 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of 0.9 kg is tied to it. The
asked by Greg 
math
14 +(2(2)to the 3rd) power
asked by destiny 
math
simplify 10 to the 4 power
asked by destiny 
English
What are the minor affirmative claims to the gap between rich and poor widening?
asked by Tara 
chemistry (molecular calculations)
If you had 78.2 grams of K, how much oxygen is needed to convert it all to K2O?
asked by Alex 
simple interest
if i deposit 3,500 dollars at and intrest rate of 71/2% per year for 5 years what would my interest amount be?
asked by lou 
Molecular calculations (chemistry)
If you had 19 grams of F, how much Ca would you need to convert all of the F to CaF2?
asked by Eliza 
chemistry (molecular calculations)
If you had 106.35 grams of Cl, how much Na would be required to convert i all to NaCl. I worked this problem and got 41.83 grams of Na, but I'm not sure if this is correct.
asked by Eliza 
chemistry
0.24 grams of benzene (C6H6) is dissolved into 4.9 grams of melted biphenyl. The freezing point of the mixture was determined to be 4.4 degrees below the freezing point of pure biphenyl. Based on these results, what is the Kf of biphenyl? (Use the standard
asked by Erin 
Art History
During the early 20th century, Americans saw themselves as different than Europeans and used art to reflect this idea. true or false?
asked by Christine 
math
from hundreds chart,what % of the numbers are multiples of both 2 and 3
asked by wan 
physics
A crate of mass 96 kg is loaded onto the back of a flatbed truck. The coefficient of static friction between the box and the truck bed is 0.14. What is the smallest radius of curvature, R, the truck can take, if the speed with which it is going around a
asked by Josh 
Spanish Beg. 1  help (anyone???)
___________, __________, ________, and __________ all mean the please help
asked by Laruen 
Basic Algebra
1/4 (x8) +1/2 (x+2) =x+3
asked by Rosemary 
Prove or Disprove
Cos(X+y)cos(xy)= cos^2theta  sin^2theta I foiled the left side as a start because I can kind of see sin^2+cos^2=1 but I can't finish.
asked by Jerry 
math
a basketball player scored 40 times during one game. she scored a total of 65 points, two for each two point shot and one for each free throw. how many two point shots did she make? how many free throws
asked by Anonymous 
math
from hundreds chart,what % of the numbers are factors of 100
asked by wan 
Math
The difference between the two numbers is 14. The LCM of the two numbers is 16. Find the two numbers
asked by Logan 
math
from hundreds chart,what % of the numbers are prime numbers
asked by wan 
Physics
Consider the conical pendulum, a mass on the end of a string, with the other end of the string fixed to the ceiling. Given the proper push, this pendulum can swing in a circle at an angle q of 25.5 with respect to the vertical, maintaining the same height
asked by Luke 
Chemistry
6. Which one of the following statements about chemical bonding is not correct? a) Ionic bonding occurs when one atom donates electrons to another. b) When atoms bond, the resulting compound is of a lower energy state than that of the combining atoms. c) A
asked by Many 
Spanish Beg. 1  help (anyone???)
Most nouns ending o and os are _____________. Most nouns ending in a and as are ___________. please help!!!! is there any website that could help me with these questions
asked by Laruen 
History
What is the North American Bourgeoisie belief between 1763 and 1783?
asked by Nataly 
Physics
A person standing at the edge of a seaside cliff kicks a stone horizontally over the edge with a speed of 14.3 m/s. The cliff is 47.6 m above the water's surface. How far in meters from the base of the cliff does the stone land?
asked by Asia 
Physics
A person standing at the edge of a seaside cliff kicks a stone horizontally over the edge with a speed of 14.3 m/s. The cliff is 47.6 m above the water's surface. How far in meters from the base of the cliff does the stone land?
asked by Asia 
Windows Infrastructure
You need to download a large document (100 Mb) from your local network. This document contains the blueprints for a multimillion dollar invention and should not fall into the hands of competing companies. Which should you use to download this document: a
asked by Mary 
physics
Fred the otter climbed to the top of an inclined plane. His friend, Giselle the giraffe, suggested that he was so small that gravity would ignore him and he would be unable to slide down. "On the contrary", said Fred, "Since this slope makes an angle of
asked by swag 
Physics
Frida hits a volleyball so that it moves with an initial velocity of 6.76 m/s straight upward. If the volleyball starts from 1.84 m above the floor, how much time will it be in the air before it strikes the floor?
asked by Asia 
MED 56
The laundry bill is $33.80. If paid within 10 days,the company allows a 2.5% discount. Calculate the amount of the bill.
asked by Cindy 
physics
Fred the otter climbed to the top of an inclined plane. His friend, Giselle the giraffe, suggested that he was so small that gravity would ignore him and he would be unable to slide down. "On the contrary", said Fred, "Since this slope makes an angle of
asked by zach 
math
What is 3^2 (it is 3 to the 2 squared) I thought the answer was 1/9 and my friend thought it is .1 repeated .1 with the line over it can you tell us which one of us is correct? Thank you
asked by Es 
principles of health and wellness
I am trying to make a list of some complimentary and alternative health care options for people who have breast cancer, is there anyone who can help me?
asked by Katelynn 
stats
You are a travel agent and wish to estimate, with 95% confidence, the proportion of vacationers who plan to travel outside the United States in the next 12 months. Your estimate must be accurate within 3% of the true proportion Find the minimum sample size
asked by Anonymous 
social studies
What physical feature in Africa is located in the northeast and separates it from Asia?
asked by j 
Physics
Find the gravitational force exerted by a 0.525 kg mass on a 0.109 kg mass 2.04 m away.
asked by Anthony 
social studies
What physical feature is in Africa that is located in the north and separates it from Europe?
asked by t 
Spanish Beg. 1  help
In Spanish, dates are formed by using _________ + ___________ + __________ + __________ + . please help!!!!
asked by Laruen 
Physics
How much force is required to accelerate 5kg at 15m/sec?
asked by Vanessa 
Chemistry
What volume of a 0.5 M solution is required to prepare 250 mL of a 0.15M solution? (Note: M = mole per Litre) Is 175ml correct?
asked by Many 
Math
Word Bank agenda amiable befuddle blight boisterous clarity compliant conserve debut gory gross induce leeway limber maze oracle partisan reimburse vacate vagabond Ms. Fillmer explained with such ____ how to go about changing a tire that I felt that even
asked by Jerald 
chemistry
1. To make the following saline solution (375ml 0.5% w/v sodium chloride) what would you weigh out? What volume of water would you use?
asked by sanam 
math
What is 5^2? I got 1/25 Is this correct? THANK YOU SO MUCH FOR YOUR HELP
asked by Es 
Physics
An advertising firm has contacted your engineering firm to create a new advertisement for a local icecream stand. The owner of this stand wants to add rotating solid cones (painted to look like icecream cones, of course) to catch the eye of travelers.
asked by John 
math
compounded what would be the amount of compound interest on $12,000 invested for one year at 6%, compounded quarterly? round your answer to the nearest tenth. could you show me the work please ? i had $737.00 is that answer correct?
asked by linda 
math
whatis the effective rate of $23,000 invested for one year at 6%, compounded semiannually? round your answer to the nearest tenth. could you help me with this one? i need to see the math worked out please. do you have one worked out on the page so i don't
asked by linda 
chem
what is the ph of a solution in which 250.0 ml of .200 M HNO3 is added to 280.0 ml of .150 Ba(OH )
asked by k 
English  Ms. Sue help
I need help with the poem "Scott's Goodbye"....it asks if the 4th stanza is slant rhyme. end rhyme. perfect rhyme. internal rhyme I think it is perfect rhyme  but I am not sure 
asked by Deborah 
chem
what is the ph of a solution in which 250.0 ml of .200 M HNO3 is added to 280.0 ml of .150 Ba(OH )
asked by k 
chem
what is the ph of a solution in which 250.0 ml of .200 M HNO3 is added to 280.0 ml of .150 Ba(OH )
asked by k 
physics
blocks 1 and 2 of masses 2 kg and 4kg, respectively, are connected by a light string, as shown above. These blocks are further connected to a block of mass 3kg by another light string that passes overr a pully of negligible mass and friction. Blocks 1 and
asked by b 
finite math
three cards are randomly drawn without replacement from a standard deck of 52 cards. What is the probability of drawing an ace on the third draw?
asked by ryan 
social studies
What kind of conflicts developed as Europeans settled the Americas?
asked by Anonymous 
Math
How can you use rounding to estimate 331 + 193?
asked by Mikey 
chem
what is the ph of a solution in which 250.0 ml of .200 M HNO3 is added to 280.0 ml of .150 Ba(OH )
asked by k 
Calculus 2
integral from 0 to infinity of 1/(pi^2+x^2)^(3/2)dx
asked by Heather 
Phyisics
Once a 26 kg crate is in motion on a horizontal ﬂoor, a horizontal force of 64 N keeps the crate moving with a constant velocity. The acceleration of gravity is 9.81 m/s 2 . What is µk, the coeﬃcient of kinetic friction, between the crate and the
asked by Andy 
algebra
Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block?
asked by Anonymous 
Chemistry
Stomach acid is essentially 0.10 M HCl. An active ingredient found in a number of popular antacids is CaCO3. Calculate the number of CaCO3 needed to exactly react with 250 mL of stomach acid. CaCO3(s)+ 2HCl(aq)= CO2(g)+ CaCl2(aq)+ H20(l)
asked by Brit 
Physics
A ball rolls off the edge of a table that is 1.03 m high, and it strikes the floor at a point 1.40 m from the base of the the table. What is the initial speed in m/s of the ball?
asked by Asia 
finite math
three cards are randomly drawn without replacement from a standard deck of 52 cards. What is the probability of drawing an ace on the third draw?
asked by ryan 
Physics
A girl riding a bicycle at 2.16 m/s throws a tennis ball horizontally forward at a speed of 1.38 m/s relative to herself. The tennis ball lands 1.84 m horizontally from the point at which the girl released the ball. How high above the ground was the ball
asked by Asia 
Fifth Grade Math
WHICH DATA LANDMARK BEST REPRESENTS THE NUMBER OF HOURS A TYPICAL STUDENT WATCHES TELEVISION THE MEAN, MEDIAN, OR MODE __________________ WHY?
asked by Carlos 
chem
what is the ph of a solution in which 250.0 ml of .200 M HNO3 is added to 280.0 ml of .150 Ba(OH )
asked by k 
English
Word bank agenda amiable befuddle blight boisterous clarity compliant conserve debut gory gross induce leeway limber maze oracle partisan reimburse vacate vagabond The high point of the social season was the formal ____ of young ladies at the annual
asked by Jerald 
physics
The atmospheric pressure above a swimming pool changes from 771 to 772 mm of mercury. The bottom of the pool is a rectangle (11 m cross 21 m). By how much does the force on the bottom of the pool increase?
asked by Anonymous 
math
x^2=11x10 ?
asked by linda 
Alegabra
Russell Gossman is training for the Olympics. He wants to know the distance across Lake Royal, so he can write in his training logbook how far he rows each day. If from one point on the shore to one side of the lake is 13 km and from the same point to
asked by Secret 
Math
Solve for v 7x8x9xv=5040 I did 7x8=56, 56x9=504 Do u divide 5040 into 504
asked by Gio 
science
what is an artery thattakes the oxygen rich blood to the rest of the body from the heart
asked by amanda 
World Geography
What does the rainshadow effect cause? Where in South America is affected greatest by the rainshadow effect? Please help me!!!!!! thanks :)
asked by Kempner H.S 
Calculus 2
integral from 1 to infinity 4/(x^2)(x^2+1)dx
asked by Heather 
physics
what is the reasonable temperature (Th anh Tc) for an ideal (caront) refrigerator that have coefficient of performance of 13
asked by erlmf 
physics
What is the wavelength of an earthquake that shakes you with a frequency of 10.0 Hz and gets to another city 84.0 km away in 12.0 s?
asked by Jason 
Chemsitry
Stomach acid is essentially 0.10 M HCl. An active ingredient found in a number of popular antacids is CaCO3. Calculate the number of grams of CaCO3 needed to exactly react with 250 mL of stomach acid. CaCO3(s)+ 2HCl(aq)= CO2(g)+ CaCl2(aq)+ H20(l)
asked by Brit 
math
How many feet are there in 156 inches? Would I do 156/12
asked by Nina 
math
5x^220x=0 ? How to simplify
asked by linda 
Physics
A 5mlong string, fixed at both ends, has a mass of 9 g. If you want to set up a standing wave in this string having a frequency of 298 Hz and three antinodes, what tension should you put the string under? I got 0.009kg(a984.68m/s)^2/5=7090 N it still
asked by Ray 
Math
Rick's car gets 29.7 miles per gallon on the highway.If his fuel tanks hold10.45 gallons,then how far can he travel on one full tank.?
asked by Sunny 
American history
2. The Wilmot Proviso was a proposed amendment to a military appropriations bill that would A. permit the slavery issue to be determined by popular sovereignty. B. regulate competition between free and slave states. C. ban slavery in territories acquired
asked by Leeah 
math
Do I multiply or divide 2 pounds to ounces
asked by Aaliyah 
Physics
Two people are talking at a distance of 3.4 m from where you are, and you measure the sound intensity as 1.0 107 W/m2. Another student is 4.2 m away from the talkers. What sound intensity does the other student measure?
asked by Ray 
Chemistry
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 5.40 nm in diameter? Take the mass of an
asked by Garcia 
physics
a 70 kg box is pulled by a rope that exerts a 400 N force at angle of 30 degrees to the horizontal the leading coefficient of kinetic friction id 0.50. draw a diagram. draw a free body diagram . find the acceleration of the box.
asked by tionne 
physics
A remotecontrolled car’s wheel accelerates at 22.7 rad/s. If the wheel begins with an angular speed of 11.0 rad/s, what is the wheel’s angular speed after exactly twenty full turns?
asked by Alyssa 
math
If sinx=3/5,cosy=12/13,where x and y both lie in 2nd quad.Find the value os sin(x+y).
asked by Anonymous 
Math
Letter 'C' on this question confuses me, please help! Holly has joined a video rental club. After paying $6 a year to join, she then has to pay only $1.25 for each new release she rents. a. Write an equation in intercept form to represent Holly’s cost
asked by Anon 
Chemistry
With the mass percent of Fe, oxalate ion, and water; find the mass percent of potassium ion in the complex iron salt difference. Fe= 11.37% H2O= 12.24% oxalate= 28.01%
asked by Anonymous 
Physics
Two people are talking at a distance of 3.4 m from where you are, and you measure the sound intensity as 1.0 107 W/m2. Another student is 4.2 m away from the talkers. What sound intensity does the other student measure? I just don't know how to start this
asked by RW 
math
Order the following numbers from greatest to least. 2.071; 20.071; 20.71 Is this right 20.71; 20.071; 2.071
asked by Joe 
chem
what is the ph of a solution in which 250.0 ml of .200 M HNO3 is added to 280.0 ml of .150 Ba(OH )
asked by k 
social studies
how can you describe the conflicts that developed as Europeans settled the Americans?
asked by Anonymous 
phyiscs
the density of mercury is 13.6gm .Find the volume of 0.3 of hg
asked by safel mma 
Math
Please help! Economy drapes for a certain size window cost $90. They have shallow pleats, and the width of the fabric is 2 times the window width. Luxury drapes of the same fabric for the same size window have deeper pleats. The width of the fabric is 3
asked by Anon 
physics
The pressure in a fire hose is 20 atm. How high can a firefighter spray water from this hose? One atm is about 1×105 Pa. The density of water is 1.0 g/ml, or 103 kg/m3. The acceleration of gravity, g, is 9.8 m/s2.
asked by matt 
Math
whats factorization?
asked by Jessica 
math
a cabinet will inclose a rectangular loud speaker system and will have an internal volume of 2.4 cubic feet. The height will be 1.5 times the width. What are the dimesnions of the enclosure that can be constructed at a minimum cost?
asked by diwas 
social studies
why did the aztec start war?
asked by April 
physics
A remotecontrolled car’s wheel accelerates at 22.7 rad/s. If the wheel begins with an angular speed of 11.0 rad/s, what is the wheel’s angular speed after exactly twenty full turns?
asked by Alyssa 
chemistry
50ml of water at 49.6 C were mixed with 50ml of water at 25.1 C in a calorimeter also at 25.1 C. The final temperature was 30.1 C Assuming that neither the density of water nor its specific heat capacity change with temperature, calculate the total heat
asked by fufi 
chem
If the detector is capturing 6. 107 photons per second at this wavelength, 1820 nm. what is the total energy of the photons detected in one hour? I got 2e7 but its wrong
asked by Samantha 
Math
Find the magnitude and direction angle of the vector v. V=6j
asked by Jace 
Help, Math 8th grade!!!!!
14. Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the xaxis. Please help!! I need answer now!! I have been working on this problme for over an hour cant get it, please help,
asked by Esther 
Math
Tens and hundred digits are equAland ones and thousands have a sum equal to one of the middle digits the entire digit sum is 21 what year was it made in
asked by G