Questions Asked on
April 25, 2010

language arts
IN the poem “Swift Things are Beautiful” by Elizabeth Coatsworth reveals that every thing is beautiful in its own way. Although the title says that only swift things are beautiful, the poet also lists slow things that are beautiful. She uses unusual
asked by Hannah 
Chemistry
Consider the following equilibrium process at 686 C C02(g)+H2(g)=CO(g)+H20(g) The equilibrium concentration of the reacting species are [CO]=0.050M, [H2]=0.045M, [CO2]=0.086M, and [H20]=0.040M. (a)Calculate the Kc for the reaction at 686 C. (b) If we add
asked by Amphee 
Chemistry
could someone help me with this question? A quantity of 400 mL of .6 M HNO3 is mixed with 400 mL of .3 M Ba(OH)2 in a constant pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 18.46 degrees Celsius.
asked by Tokey 
Chemistry
Given the following data, determine the heat of vaporization and normal boiling point of ammonia Temp (K): 200 210 220 230 235 Pressure (respectively)(torr): 65.3 134.3 255.7 456.0 597.0
asked by Timothy Boo 
chemistry
what is the oxidation no of I3
asked by fen 
Chemistry
Pure phosgene gas (COCl2), .03mole, was placed in a 1.5 L container. It was heated to 800k, and at equilibrium the pressure of CO was found to be .497 atm. Calculate the equilibrium constant Kp for the reaction CO(g) + Cl2(g) = COCL2(g)
asked by Adam 
Physics
a tank of helium gas used to inflate toy baloons is a pressure of 15.5 x 10 Pa and a temp of 293 k. The tank's volume is 0.020 m. How are a baloon would it fill at 1.00 atmosphere and 323 k
asked by Rita 
chemistry*
Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solidfuel rocket motors. The reaction is given below. Fe2O3(s) + 2 Al(s) >2 Fe(l) + Al2O3(s) What masses of iron(III) oxide and aluminum
asked by Anonymous 
physics
two charges attract each other with a force of 1.5 N. what will be the force if the distance between them is reduced to oneninth of its original value?
asked by lara 
Calculus
Give acceleration a=d^2s/dt^2,initial velocity, and initial position of a body moving on a coordinate line. Find the bodys position at time t. a=e^t v(0)=20 s(0)=5
asked by Anonymous 
captitals italics abbreviations and numbers
Question 1 Which of the following is the correct name of a region? the Southwest the southwest the SouthWest the southeast Question 2 Which of the following is correct? esperanto klingon Japanese american sign language Question 3 Which of the following
asked by christopher 
math
what is 8P3
asked by PAVLEEN 
AP Chemistry
A buffer solution contains .4mol of formic acid, HCOOH and a .6mol of sodium formate, HCOONa, in 1L of solution. Ka of formic acid is 1.8 x 10^4. a) calculate pH b) if 100ml of this buffer solution is diluted to a volume of 1L with pure water, the pH does
asked by Jessie 
Physics 100
A bat flying in a cave emits a sound and receives its echo 0.25 s later. How far away is the cave wall?
asked by Ali 
CHEMISTRY
2NO(g) + O2(g) > 2NO2(g) Derive the theoretical rate law and indicate whether or not this is a possible mechanism for the above reaction: (1) 2NO(g) * N2O2(g) (fast) (2) N2O2(g) + O2(g) > 2NO2(g) (slow) Extra Info: This reaction is third order overall.
asked by Vanessa 
physics
A brass ring of diameter 10.00 cm at 19.9°C is heated and slipped over an aluminum rod of diameter 10.01 cm at 19.9°C. Assume the average coefficients of linear expansion are constant. (a) To what temperature must the combination be cooled to separate
asked by Kelsey 
PHYSICS!
A 0.15 kg ball of dough is thrown straight up into the air with an initial velocity of 13 m/s. (a) Find the momentum of the of dough at its maximum height. kg·m/s upward (b) Find the momentum of the ball of dough halfway to its maximum height on the way
asked by britt 
Physics
Three uniform meter sticks, each of mass M, are placed on the floor as follows: stick 1 lies along the y axis from y = 1.3 to y = 2.3 m, stick 2 lies along the x axis from x = 0.0 to x = 1 m, stick 3 lies along the x axis from x = 1.0 m to x = 2.0 m. Find
asked by Robert 
chemistry please check
for the following reactions label each species as an acid or a base. Indicate the species that are conjugate acids and conjugate bases. A. HSO4(acid) + NH3(base) SO4^2(conj base) + NH4+ (conj acid) B. HPO4^2 (conj base)+ NH4+ (conj acid) H2PO4(acid) +
asked by Anna 
English
Which of the following items should not be underlined or put in italics? the Bible magazine titles works of art book titles works of art
asked by christopher 
Calculus
Give acceleration a=d^2s/dt^2,initial velocity, and initial position of a body moving on a coordinate line. Find the bodys position at time t. a=e^t v(0)=20 s(0)=5
asked by Anonymous 
Physics
(a) An ideal gas occupies a volume of 1.6cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. (b) If the pressure of the 1.6cm3 volume is reduced to 1.6 1011 Pa (an extremely good vacuum) while the
asked by Kelsey 
Chemistry
Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solidfuel rocket motors. The reaction is given below. Fe2O3(s) + 2 Al(s) 2 Fe(l) + Al2O3(s) What masses of iron(III) oxide and aluminum must
asked by Anonymous 
College Physics
Sirius is about 9.0 lightyears from Earth. To reach the star by spaceship in 10 years (ship time), how fast must you travel? How long would the trip take according to an Earthbased observer? How far is the trip according to you?
asked by Lanise 
Physics
A balloon appears to be yellow when seen in white light. Explain the colour it will appear in a) green light and b) magenta light. I really don't undestand the subtractive theory of light, and it applies to this question. Can you please explain to me how
asked by Emily 
physics
Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 119 m/s, and along the bottom surface with a speed of 105 m/s. (b) If the area of the wing is 40 m2, what is the net upward force exerted on the wing?
asked by Kim 
physics
A spherical steel ball bearing has a diameter of 2.540 cm at 24°C. (a) What is the diameter when its temperature is raised to 82°C? (b) What temperature change is required to increase its volume by 1.1%? I got the first answer right. i am having trouble
asked by Kelsey 
AP Stats
The mean weight of pears grown in a certain orchard is 6 ounces with a standard deviation of .5 ounces. A random sample of 30 pears is selected. What is the approximate probability that the sample mean weight is less than 5.5 ounces?
asked by Lilly 
Math
Write and simplify an expression to represent the area of each figure. My answer: 2x +(x+3)(x2) = x^2x6 Textbook Answer: x^2x2 Please help. Thanks.
asked by John 
mathplease help!
Determine whether the situation calls for a discrete or continuous random variable. The number of freshmen in the required course, English 101 The braking time of a car I think the first one discrete and the second is continous is this correct?
asked by KiKi 
chemistry
A scuba diver's tank contains 0.39 kg of O2 compressed into a volume of 2.5 L. Calculate the gas pressure inside the tank at 12°C.
asked by Laine 
math
Determine whether the situation calls for a discrete or continuous random variable. The number of freshmen in the required course, English 101 The braking time of a car I think the first one discrete and the second is continous is this correct?
asked by KiKi 
Chemistry
Terephthalic acid is an important chemical used in the manufacture of polyesters and plasticizers. It contains only C, H, and O. Combustion of 19.81 mg terephthalic acid produces 41.98 mg CO2 and 6.45 mg H2O. If 0.262 mol of terephthalic acid has a mass of
asked by sean P. 
Trig
a boeing 747 jet maintains an airspeed of 650 miles per hours in a southwesterly direction. the velocity of the jet stream is a constant 80 miles per hour from the west. find the actual speed and direction of the aircraft. how do i set this up? can anyone
asked by Karley 
physics
the speed of a transverse wave on a string is 450 m/s while the wavelength is .18m. the amplitude of the wave is 2mm how much time is required for a particle of the string to move through a total distance of 1km
asked by Tasha 
Physics
An electron is accelerated by a uniform electric field (1000 V/m) pointing vertically upward. use newton's laws to determine the electron's velocity after it moves .10 cm
asked by Standard C. 
accounting
The following transactions occurred during July: (1) Received $700 cash for photography services provided to customer during the month. (2) Received $1,500 cash from Barbara Hanson, the owner of the business. (3) Received $800 from a customer in partial
asked by Anonymous 
9th grade Algebra
A spinner has 3 three sections, each with different point values and areas. The 1point section is 2/3 the area of the spinner. The 2 point section is 1/4 the area of the spinner. The 3 point section is 1/12 the area of the spinner. To the nearest tenth
asked by Kaila 
English
Question 1 In what instance should you use a semicolon? between dependent clauses between independent clauses between clauses and phrases in place of a comma Question 2 In what instance should you use a semicolon? between a dependent clause and a phrase
asked by christopher 
Chemistry
Pure phosgene gas (COCl2), .03mole, was placed in a 1.5 L container. It was heated to 800k, and at equilibrium the pressure of CO was found to be .497 atm. Calculate the equilibrium constant Kp for the reaction CO(g) + Cl2(g) = COCL2(g)
asked by Amphee 
Statistics
. [16 points] A coach uses a nw technique to train gymnasts. 7 gymnasts were randomly selected and their competition scores were recorded before and after the training. The results are shown below. Before After 9.7 9.9 9.4 9.7 9.6 9.2 9.6 9.4 9.6 9.7 9.7
asked by Elyse 
chem
Use this percentage to calculate the mass of fluorine in grams contained in 29.0 g of copper (II) fluoride
asked by melissa 
Physics
During a rescue operation, a 5350 kg helicopter hovers above a fixed point. The helicopter blades send air downward with a speed of 59.0 m/s. What mass of air must pass through the blades every second to produce enough thrust for the helicopter to hover?
asked by Carden 
accounting
Shania Shelton, the owner, invested $105,000 cash, office equipment with a value of $6,000 and $45,000 of drafting equipment to launch the business in exchange for its common stock. Which journal entry would this be?
asked by Tiffany 
math
Find the entries of the following matrices: (a) the 2 ×2 matrix M for the reflection across the line y = x. (b) the 2 ×2 matrix N for the 90 degree counterclockwise rotation about the origin. (c) the product MN;what transformation does this represent?
asked by Eunice 
Chemistry
Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? A. KMnO4 is not added to either reaction. B. K+ is a spectator ion and redox reactions are written as net
asked by John 
Chemistry*
Oh sorry I forgot the arrows! Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solidfuel rocket motors. The reaction is given below. Fe2O3(s) + 2 Al(s) >2 Fe(l) + Al2O3(s) What masses of
asked by Anonymous 
Math
For a normally distributed distribution of variable x, where the mean is 50, and standard deviation is 2.5, calculate: a) the percentile rank of x=45 b) the zscore of x=52.6 c) the percentile rank of x=58 d) the 29.12th percentile e) the 89.74th
asked by Ally 
physics
The gravitatioinal force between two metal sphere in outer space is 2000 N. How large would the force be if the two spheres were four times farter apart?
asked by Linda 
L.A
What is the effect of onomatopoeia in a poem?
asked by Evie 
Chemistry
A balloon is filled with 0.75 L of helium gas at 1 atm pressure and 25 degrees Celsius. The balloon is released and floats upward in the atmosphere. The temperature drops to 23 degrees Celsius and the balloon expands to 1.50 L. What is the pressure at this
asked by Zecnoe 
math
1. To determine the number of deer in a game preserve, a conservationist catches 309 deer, tags them and lets them loose. Later,324 deer are caught ; 162 of them are tagged. How many deer are in the preserve? 2. q+9/3 + q5/5 = 14/3 3. 6/v =9/v 1/11 4.
asked by AR 
mathplease help
If a twocard hand is dealt from a wellshuffled deck of 52 cards, what is the probability that the hand contains two kings?
asked by KiKi 
geometry
Three circles are externally tangent to one another. The radius of each of the circles is 2 cm. A belt fits tightly around the three circles. Find the length of the belt. Express your answer in terms of pi with an explanation.
asked by Brittany 
math
Q.1)Find hcf and lcm of the following using fundamntal theorem of arithematic 12,720 and 540. Q.2)Find the greatest number which divides 418,1354 and 2146 exactly leaving remainder 10 in each case. Q.3)If product of HCF and LCM of two numbers is 5120.One
asked by stan 
Economics
Which of the following is least likely to affect an economy's capacity to produce? A.Technology B. Capital C. Labor D. Education E. Government spending I know technology and capital both have a significant affect on the economy's economy so I can cross
asked by Tran 
Confidentiality of Health Information
When should the patient be notified of purging and archaic or inaccurate information? I think it would be Procedures for purging the computerized data base of archaic or inaccurate data should be established and the patient and physician should be notified
asked by Need Help 
5th grade
one light year is about 9 trillion kilometers . arctus is a star that is 37 light years from earth.if you are 11 years old now,how old will you be when light that is leaving arcturus today reaches earth. how far in kilometers willit have traveled .sow your
asked by cheyenne 
finance
The equipment that would be used has a 3year tax life, after which it will be worthless, and it will be depreciated by the straight line method over 3 years. Revenues and other operating costs are expected to be constant over the project's 3year life.
asked by Anonymous 
Phsyics Waves
Earthquakes are essentially sound waves traveling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse seismic waves. These travel at different speeds. The speed of longitudinal
asked by Michael Moskvich 
Waves
With what tension must a rope with length 2.10m and mass 0.115kg be stretched for transverse waves of frequency 39.0hz to have a wavelength of 0.790m ?
asked by Michael Moskvich 
mathplease help!
The number of complaints received by a business bureau can be represented by the following probability distribution. Find the expected number of complaints per day. complaints per day 0,1,2,3,4,5 probability0.01,0.11,0.26,0.28,0.19,0.12 can someone
asked by KiKi 
Statistics
From the coefficient of multiple determination, we cannot detect the strength of the relationship between the dependent variable y and any individual independent variable. A. True B. False
asked by Sharon 
math
what is 7c2
asked by PAVLEEN 
physics
Two identical negative charges are located on the y axis, at y = +4m and y = 4m. What is the direction of the net electric field at a point on the x axis at x = 2m?
asked by physics gal 
ratios
A dessert recipe call for 3 cups of flour and 1 cup of sugar. It serves 4 people. If the recipe must be altered to serve 12 people, how many cups of flour will be needed?
asked by Anonymous 
Chemistry
40000liter gasoline tank is filled with liquid gasoline with an avg vapor pressure of 20 mm Hg.At 50% saturation, what weight of gasoline would escape to the atmosphere during filling?
asked by Anna 
Accounting
The following are all of the accounts of Mean Green Company that have a balance at the end of August, the company's first month of operation: Accounts receivable $11,000 Cash $10,100 Equipment 39,700 Advertising expense 3,000 Service revenues earned 32,000
asked by Anonymous 
math
Two dice are rolled. What is the probability that the sum of the dots on the upward faces is NOT 12
asked by angie 
English
Question 9 How is an amount indicated for a noncount noun? add an es to the noun include a noncount noun first add an s to the noun include a count noun first Question 10 Count nouns are usually what type of words? wrong specific limitless abstract
asked by christopher 
Accounting
Janfer Book Store purchased a new automobile that cost $10,000, made a down payment of $3,000, and signed a note payable for the balance. The entry to record this transaction is: Cash 3,000.00 Note Payable7,000.00 Automobile 10,000.00 Cash 3,000.00
asked by Anonymous 
algebra
How do you complete the square by filling in the two blanks so as to produce a true equation. x^2  12x +  = (x  )^2
asked by dan 
physics
As a bowling ball of radius 14.9 cm rolls down the alley to the right, a frictional force of magnitude 1.43 N, directed to the left, acts on it. Find the frictional torque with respect to an axis through the center of the ball.
asked by Michael 
Chemistry
i asked this question earlier and thanks to dr bob i got the empirical formula. which is C6H3O2. I need help finding the molar mass to get the molecular formula. Terephthalic acid is an important chemical used in the manufacture of polyesters and
asked by sean P. 
advance geometry
A plane is flying east, ascending at a constant angle. Jack is standing on the ground, watching the plane come to (horizontally) directly at him. When he first sees the plane, at an angle of elevation of 15 degrees, its horizontal distance from him is
asked by maha 
chemistry
use resonance theory to account for the fact that aniline(pKb 9.37) is a weaker base than cyclohexanamine(pKb 3.34)
asked by josh 
Physics
What is the energy of a hydrogen atom with a 1.70 nm diameter?
asked by MK 
math
This isn't a specific math question. I'm just looking for some tips for my calculus midterm tomorrow. I'm terrible at math and I can't seem to "think outside the box" in order to do problems correctly. I know my stuff but if a teacher throws something a
asked by Kelly 
Physics
Bobby, a 100 kg football player has a fever of 29 degrees C. What mass of water must evaporate from his body to cool him to 27 degrees C?
asked by Blah 
Physics
An inductor is in the built in the shape of a solenoid of radius 0.20 cm, length 4.0 cm, with 1000 turns. This inductor is connected to a generator supplying an rms voltage of 1.2×〖10〗^(4) V AC at an angular frequency of 9.0×〖10〗^3 radians/s.
asked by Lee 
College Chemistry
explain why krypton can form compounds with other elements, but neon cannot
asked by Jim 
Chemistry
Help needed on a homework problem  solution of HCN and CN , Ka 6.2x10^10 . Is this a buffered solution? Shouldn't the pH be greater than 7, and [OH] >[H]? Does adding a strong acid have more effect than adding a strong base? Thanks.
asked by Laura 
vectors
3 planes; $: x+2y2z6=0 %: 2xy+z+8=0 £: 2xy+2z+3=0 (a)(i)Find the cartesian equation for the plane @ parallel to $ and containing the point (1,1,2) (ii)Calculate the distance between $ and @ (b)(i)Find the parametric equations for the line of
asked by Anonymous 
HCA 220
I am supposed have a draft ready tues, of my power point presentation. Its a medical story board. What exactly is a draft? Is this on paper like when writing an essay or slides?
asked by Kayleigh 
physics
Hi! could anyone please help me with this problem. Thank you so much. Q: The critical angle for total internal reflection for ice surrounded by air is 49.8°. Calculate the Brewster angle for ice if the light is incident from the air.
asked by Chan 
Vectors
3 planes; $: x+2y2z6=0 %: 2xy+z+8=0 £: 2xy+2z+3=0 (a)(i)Find the cartesian equation for the plane @ parallel to $ and containing the point (1,1,2) (ii)Calculate the distance between $ and @ (b)(i)Find the parametric equations for the line of
asked by Anonymous 
math
When a single card is drawn from an ordinary 52card deck, find the odds in favor of getting a red 10 or a black 6. I think the answer is 1:12. Is that correct?
asked by KiKi 
Accounting
Sam's grocery store had the following at the end of 20X5: Cash $22,000 Accounts receivable 49,000 Accounts payable 17,000 Fees earned 61,000 Rent expense 12,000 Insurance expense 3,600 Salary expense 18,000 Supplies 15,000 Sam, capital 49,600 Sam,
asked by Anonymous 
Chemistry
If 0.00002 mol of Na2S is the limiting reactant...how do I calculate the maximum mass of precipitate formed?
asked by Stacey 
college
The moral majority and the Christian Coalition are examples of:
asked by Anonymous 
physics
the earthis moving around the sun in a circular orbit of radius 1.5*10^11. it makes one revolution per year.find the angular speed of earth in radian/sec, and the tangential speed of earth using the formula v=r.w , and tangetial speed ?
asked by mo 
math
Verify that the circles x2+y2 = 25 and (x−5)2+(y−10)2 = 50 intersect at A = (4, 3). Find the size of the acute angle formed at A by the intersecting circles. You will first have to decide what is meant by the phrase the angle formed by the intersecting
asked by Ella 
ratios in context
A scale drawing shows the plans for a barn in a 1:48 ratio. On the plan, a wall of the barn is 2 feet in length. How long will the actual wall be?
asked by Anonymous 
chemistry
what mass of salt can be produced from the reaction of 3.45 grams of sodium hydroxide and an excess of hydrochloric acid?
asked by Alexis 
English shifting and mixed sentences
1. Which sentence contains a shift in number? The lake contained garbage that flows through the storm drains. He couldn't refuse when offered another helping of dessert; sometimes you just can't resist! His book was returned to the bin, and then Johnny
asked by christopher 
chemistry
Please I need help...I have been trying so hard to finad this answer... Suggest a test chemical that can be added to the water sample to precipitate the lead(II) ions. please show a chemical eqaution for the formation of the precipitate. Thank u so much:)
asked by Stacey 
Algebra II
suppose you are biking down a hill at 24 mi/h. What is the angular speed, in radians per second, of your 27inichdiameter bicycle wheel?
asked by Alex 
chemistry
2H2O(l)=2H2(g) +O2(g) if water is removed, the direction of equilibrium is unaffected since liquid water is not in the equil equation. What if large amount of water is removed, is the answer still the same
asked by bme1 
maths
a cylindrical cake with radius 12cm and height 10cm has a slice cut out. The shape of the top of the slice is a sector of the circle that forms the top of the cake. Exluding the sliced piece, the angle is 320 degrees. a) Calculate the area on top of the
asked by nabiha 
12th grade
In 1015 lines critically discuss 5 ways in which the environmental problem impacts on the community. provide relevant sources to support your claims.
asked by Madimetja 
ratios
A dessert recipe call for 3 cups of flour and 1 cup of sugar. It serves 4 people. If the recipe must be altered to serve 12 people, how many cups of flour will be needed?
asked by Anonymous 
Confidentiality of Health information
Dr. Bob's computerized records have been compromised by a hacker, resulting in damages to patients. Which of the following is most true? A. Dr. Bob may be liable if he didn't have proper firewall or other protections. B. Dr. Bob won't be liable. C. Dr. Bob
asked by b 
ENGLISH
hy! Can somebody be so kind and correct my essay on " Being a surgeon is very stressful" I would really appreciate it, because my english is not perfect and I think I made some mistakes :) According to my opinion being a surgeon is one of the most
asked by Lulu 
English
15.Which of the following is the correct expression of numbers in a series? twelve dogs, eleven cats, and 1 mouse 3 apples, 23 lemon, and one fig one car, two trucks, and a bus ten adults, 2 teenagers, and a baby Question 16 Which of the following is
asked by christopher 
English singulars and plurals
Please make any necessary corrections to the following sentence. The oldest house in our neighborhood was built thirty five years ago; it is located at fifteen tenth street. my answer The oldest house in our neighborhood was built 35 years ago; it is
asked by christopher 
Adjectives and Adverbs
Question 1 This modifier illustrates the rule that adjectives of two syllables vary. If the word ends in y, change the y to i and add er, est endings. Otherwise, some twosyllable adjectives take er, est endings. Others take more, most and less,
asked by christopher 
5th grade
The square and triangle have the same perimeter 12cm.Each figure is made up of sides of equal measure.How long is each side of the triangle ?
asked by Anonymous 
Math
My answer: x^2+3xy+3x+2y^23y Textbook Answer: x^2+3xy+2y^2+3x3y Does the order matter? Thanks.
asked by John 
math
is each ordered pair a solution of the given system? write yes or no. 1. y=6x+12 2xy=4 (4, 12) 2. Y= 3x x=4y+1/2 (1/2,3/2) 3.x+2y=2 2x+5y=2 (6,2) 4. Solve the system by graphing. Check your solution. x + y=3 x  y=1
asked by Anonymous 
accounting
The following data represent total revenues (from all sources) for the Palmdale Human Service Agency for the past four fiscal years: 20X1 $15,000,000 20X2 $14,250,000 20X3 $14,000,000 20X4 $13,500,000 Forecast total revenues for fiscal year 20X5 using
asked by Anonymous 
Math 30 Trig
How do I find the xintercept of the graph of y=3sin 2x? Could you explain the steps to put this into my graphing calculator to get the graph. Please and thanks
asked by Rae 
Physics
A particle of mass m0 is given a kinetic energy equal to onethird its restmass energy. How fast must the particle be traveling
asked by Leah 
High School
What are the compulsory and optional subjects in high school?
asked by Chad 
chemistry
What volume of 12M HCl must be diluted to make 2L of solutioin with a pH of 4?
asked by Anonymous 
chemistry
in balancing I3  I + IO3 wat is reduced to what
asked by fen 
Chem Dr Bob
So your saying that sulphuric acid is used to test lead in water?
asked by Stacey 
English
Can you help me simplify or correct these sentences,too? Thank you very much in advance 1) In fact she resists all her master’s advances protecting her (?) virtue and in her turn gains a proposal of marriage which she accepts obtaining a social position
asked by Franco 
To Writeacher
Writeacher I am having difficulties taking out the you, ours, we in the fourth paragraph. I am having difficulties rephrasing. It doesn't seem to make sense when I do. English is not my first language, maybe that's why. Here it is. I tried to change some
asked by Sara 
Trig
Need answer check pls. Find the rectAngular equation for the plane curve by parametric equAtions. X=t +4 , y= t^2
asked by Stacey grahaM 
algebrais this right
A basketball player has a vertical leap of about 36 in. If the equation d=48t^2 describes his hang time t as a function of his vertical leap d. what is his hang time? Show your work. 36=48t^2 t^2=3/4 t=(1/2)sqrt(3)seconds
asked by dan 
world history
Why was the Parthenon, Theater of Dionysus, The Temple of Delphi, The Agora, and the Marble Shop important to Ancient Greeks in Athens?
asked by Caroline 
Biology
1)If you wish to carry out a cladistic analysis of a group of species, then there are several types of information that you might find useful. Which one of the following choices describes a type of information that would be least useful in a cladistic
asked by Wande 
arithmetic
A model airplane takes 2.7 hours to contruct and 13.5 hours to finish. Determine the ratio of construction time to finish in simplest form
asked by Chad 
math
Mike took four tests: English, Math, Science and History. He scored a 74 in English and an 84 in History. The average of the four tests was 72. Math had a better score than Science by 6 points. What was his Science score?
asked by joey 
English
Question 12 Which of the following is correct? i.e. I.E. ie IE Question 13 Which of the following is incorrect? 16,500 four dollars in his 30s the nineteenth century Question 14 Which of the following is the correct usage of a percentage? 13 percent 13%
asked by christopher 
Grammar and Composition
Does this sentence make sense for the word coquette?: My friend likes to coquette with most of the guys at school. ?
asked by y912f 
precalc
Let f(x) be linear f(16)=5 f(20)= 17 Find f(x) Calculate f(12)
asked by Reema 
classroom management
Consider other types of interruptions, such as a fire drill or having a student paged to the front office during a lesson. i cant think of any but having a disruptive student address how you will adapt your strategies to work under a variety of unexpected
asked by scooby 
aed 205
Read the following vignette and identify the factors that threaten the activity flow of the lesson. Once you have identified the problems, explain how you would avoid the problems if you were the teacher. Here is the story Mrs. P.waits while her
asked by scooby 
art
Give two reasons why jackson pollack's style of painting is considered important?
asked by Maya 
social studies
what are the resources for developments and what is developments process.
asked by Tosin 
accounting
how do you find the percent of $20768 ?
asked by Anonymous 
Math (quick)
6 24 1/23/4 What do the vertical signify? Thanks.
asked by John 
English shifting and mixed sentences
Question 11 Which sentence contains a shift in subject and voice? We drove around the block in Billy's car for a few minutes, and then we discover the flat tire. Everyone should report to your building by 7:00 a.m. Each visitor to the museum should pick up
asked by christopher 
science
the types of plants and animals that live in a particular what depends on the water, soil and amount of sunlight the area receives.
asked by gerard 
english
can you suggest me some websites to study for da ela test on mondat
asked by pAvLeEn 
English
Question 7 Which of the following is correct? Streets in Pittsburgh streets in Pittsburgh sts. in Pittsburgh aves. in Pittsburgh Question 8 5 points Save Which of the following is the correct form to use in a sentence? 25 pct. 25 percent 25 perct. 25%
asked by christopher 
Science ( chemistry )
how to make electrohemical cell with iron and aluminium foil? I should make that at home and at school teacher will give me acid or something to put metals in that. And i should know how to conect that with wires and make the bulb light  so i should
asked by angela 
Algebra
3{[3(x5)15][3(4x3) +3]} I need help to simply this. I have been working on this for 2 hours and still don’t get it, can anyone help?
asked by Lori 
Physics
A spaceship approaching a planet at a speed of 0.20c fires a probe toward a planet. Observers on the planet see the probe approaching at a speed of 0.61c. What is the speed of the probe as measured from the spaceship
asked by Amy 
Algebra
Can someone help me with this question? Use the discriminant to determine whether the following equations have solutions that are:two different rational solutions: two different irrational solutions: exactly one rational solution: or two different
asked by dani 
math
what are some strengths and limitations of predicting populations when using a Exponential expression?
asked by sarah 
8 math
A painting by a famous impressionist sold through an auction house where the sale price is not publicly disclosed. The auction house works on a commission rate if 10%. They earned a commission of $400,000 on this painting. What was the price of the
asked by Anonymous 
math
what are some limitations and strengths of predicting popultion using an power function?
asked by sarah 
Math
How Do You Solve this: 158=8p+14
asked by Alisha 
english essay
Hello everyone! Can you write me some ideas about: "Being a surgeon is a stressfull job." i coulkd really use some help and also ideas about solve tis problem=stress. So what could eg a surgeon do to be /more relaxed? thank you!
asked by Lulu 
Inequalities
5x+4 ≤ 3 ≤ is less than or equal to sign Thanks!
asked by Skye 
accounting
Evaluate the asset, debt, and equity structure of Lucent Technologies, as well as trends and changes found on the commonsize balance sheet. 3. What concerns would investors and creditors have based on only this information? 4. What additional financial
asked by Anonymous 
Math (graphing number lines)
How would I graph the following on a number line? x ¡Ý 3
asked by John 
aed
o Consider other types of interruptions, such as a fire drill or having a student paged to the front office during a lesson. i cant think of any but having a disruptive student
asked by scooby 
algebra
I was wondering if my answer is right. Let f (x)=(x+10)^2. Find x so that f(x)=72 (x+10)^2=72 x^2+20x+100=72 x^2+20x+28=0 x=(20+sqrt(400112))/2 x=10+6*sqrt(2)
asked by dan 
Algebra
What is the domain and range of the square root of (x3) 5
asked by Debbie 
physics
Air will break down as a dielectric when subjected to applied fields in excess of 3 * 10^6 N/C. a parallel plate capacitor using air as a dielectric has a capacitance of 1.0nF and a separation b/t plates of 1.0micrometer. how much energy U was stored in
asked by K 
college
FIND THE VERTEX THE LINE OF SYMMETRY THE MAX OR MIN VALUE OF THE FOLLOWING F(X)= X^2+10X+5
asked by BETH 
social studies
on what peninsula is sparta located?
asked by bella 
English
Which of the following is correct when using an author’s name in your essay? use the author’s full name throughout the essay use the author’s last name when first mentioned and throughout the essay use the author’s full name when first mentioned in
asked by christopher 
accounting
consider the purpose of the trail balance. do you feel it is important? How would you use this with your own records?
asked by kathy ingram 
poetry
Why does Sylvia Plath decide to behin her poem crossing the water with black and repeats it twice in the first line?
asked by Tara 
Math
Simplify each rational expression. Can you please show me the steps on how you got the answer. Thank you (over means there is a line under the first expression and then the second expression is placed underneath the line) 2c^2c1 over 2c^2+3c+1 8c^2+2c
asked by Stacey 
college physics
We're talking about induction/inductance/electromagnetic induction. Question: dropping two cylinders through a metal pipe for which one is magnet, one drops quickly and the other slowly. Why?
asked by Mike 
Chemistry
I need to find the mass of solute that will dissolve in 300 g water at 45 degrees C.
asked by Ernesto 
Science (Biology)
1) In using cladistical analysis to assemble a hypothetical tree of a group of species, there are several things that must first be known. Of the items listed below, which one states an item that is not essential in order to use cladistics? A) Have found
asked by Wande 
fractions and decimals
Use the four numbers in each line to make a fraction and an equivalent decimal  please show workings. thanks ?  = ?.? ? 8 6 1 5 9 4 5 2 0 9 10 9 13 6 5 2 5 31 2 6 20 0 4 8 1 60 5 40
asked by montana 
math check
Simplify each rational expression. 3a(a4)^2 over a^2(a4) I don't understand how the answer would be 3(a4) over a because the a4 would cancel out??? 4y^2 over y^22y once I simplify I get (2y)(2+y) over (y2)(y+2) I don't understand how the answer is
asked by Stacey 
algebra
how do you find the solution set to 7/w=8/w  1/3?
asked by marie 
Math (quick)
My answer: x^2+3xy+3x+2y^23y Textbook Answer: x^2+3xy+2y^2+3x3y Does the order matter? Thanks.
asked by John 
com 425
Under the Style Approach, where does your "worst manager" fall? Describe your experience.
asked by meshelle 
English shifting and mixed sentences
Question 16 Which sentence contains a shift in tense? We drove around the block in Billy's car for a few minutes, and then we discover the flat tire. Each visitor to the museum should pick up their visitor pass at the head office. Everyone should report to
asked by christopher 
science
what differences produce a variety of ecosystems?
asked by gerard 
Math Check
y^25y over y^27y+10 What did I do wrong.. for my answer i got (y+5) over (y2) and the correct answer is y over (y2)??? How would you do this problem? 3x over x+1 = ? over x^2x2
asked by Stacey 
math
what does ! mean in math
asked by pAvLeEn 
algebra
7.5 over 12 = 8.5 over a what does a equal?
asked by rebecca 
chemistry
A strong acid solution with H+=4 is diluted to twice its original volume. Will the pH go up, down, or stay the same?
asked by Anonymous 
mathplease help!
Use the properties of lines to parallel solve the problem. If p ðF q and mÚ8 = 52‹, what are the measures of the other angles?
asked by KiKi 
science
Write a complete C program that asks the user to enter continuously a series of words and the word “end” to stop. For each word entered, you should output the number of characters of this word and then ask him to enter the other word. Finally, when he
asked by sami 
english
explain this quote by william shakespeare "Talking is not doing, It is a kind of good deed to say well, but words are not deeds".
asked by Boo 
math
What is 2/3 minus 1/6
asked by Michele 
Chemistry
Ni (s) + Cd^2+(aq)>Ni^2+(aq)+ Cd(s) MnO4^1(aq)+ Al (s) > Mn^2+(aq)+Al^3+(aq) no matter what i do, i can't seem to balance either of these redox reactions. i'm always off. is there a trick to doing these? i need help please.
asked by Carl 
Adjectives and Adverbs
6. This modifier illustrates the rule that adverbs of two syllables take more, most and less, least. more quickly least dignified prettier larger Question 7 This modifier illustrates the rule that adverbs of two syllables take more, most and less, least.
asked by christopher 
chem homework help
can you check my work? Give the conjugate acid for each of the following bases. A. CN = HCN B. SeO4^2 = HSeO4 C. HCO3 = H2CO
asked by Anna 
Math Probability
A new shipment of 9 VCRs, which will be offered at a very low price, are delivered, Unknown to the manager, 4 of the VCRs are defective, Determine the probability that at least 1 of the first three VCRs sold is defective.Did I do this right? 15C3/9C3
asked by Rae 
math
how do you this question: 4P2
asked by PAVLEEN 
math
3. You recently started the paperwork to purchase a new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in
asked by jillian 
English
Question 6 Which sentence contains a shift in person? He couldn't refuse when offered another helping of dessert; sometimes you just can't resist! The lake contained garbage that flows through the storm drains. If a student does not understand the
asked by christopher 
205 Critical Thinking
What do you think about this statement? Inductive and Deductive claims such as all,none, or some, impact the assertions od argument.
asked by Marie 
social studies: psychology
Which is the best example of a conditioned response? A. a gunshy dog cowers when he sees a shotgun B. a child flinches when a balloon bursts a foot from her face C. a snail withdraws into its shell when someone pokes a stick at it D. a dog perks up its
asked by Diem 
Physics
A 150.0 g aluminum cup is filled with 450. g of water at 95℃. The combination cools uniformly by 1.20℃ per minute. At what rate (J/s) is thermal energy being removed from the combination?
asked by Kelly 
English
Thank you very much for your invaluable help. I wrote a few more paragraphs on Richardson's Pamela I hope you can check, too.(the parts in brackets) 1)Pamela is (was) written in epistolary form, that is in the form of letters exchanged between Pamela and
asked by Franco 
Algebra
How would I write a quadratic equation having the given numbers as solutions 4i, 4i
asked by dani 
Pre Calc
1) How do you analyze this function: 11x2y=0 2) Find the equations of the lines to the line whose equation is y7 3  =  x13 2 if these lines pass through the point (6,5)
asked by Reema 
English singulars and plurals
Question 1 A count noun describes something that what? cannot be divided into distinct units can be divided into distinct units has no plural has no singular Question 2 A noncount noun describes something that what? can be divided into distinct units has
asked by christopher 
social studies
How does the French Revolution and the Haiti Revolution change the way people live and view the world? and how did they change or shape the way people lived. if possible list a few key points that i can later expand on in each revolution. any answer is
asked by Evan 
calculus
what is the antiderivative of f(x)= x^42 sq root(X) +3/x^3
asked by leah 
MATH
how do u answer a question that uses !
asked by pAvLeEn 
chemistry
in balancing I3  I + IO3 wat is reduced to what
asked by fen 
mathhelp
what is the formula to find the distance of a cube with three sides that are measured at 6 each.....
asked by KiKi 
Math
I need to give an example of a function with at least one removable and one nonremovable discontinuity. I am not to sure how to do this. Please explain! Thanky you
asked by Abbey(Please help) 
aed 205
Read the following vignette and identify the factors that threaten the activity flow of the lesson. Once you have identified the problems, explain how you would avoid the problems if you were the teacher. Here is the story Mrs. P.waits while her
asked by scooby 
English
Last year, his company earned three million $ before June, 30th. my answer Last year his company earned 3 millon dollars before June 30th.
asked by christopher 
math
It takes 4 workers five days to clean 180 miles of highway. How many workers are needed to clean 250 miles of highway in just 6 days?
asked by joey 
Grammar and Composition
what about..My friend acted like a coquette at the party last night ? Does this make sence for coquette?
asked by y912f 
Business
What are some examples of competitive advantages Korea possesses? I've tried searching, but didn't really find anything
asked by Laura 
precals
find the equations of the lines to the line whose equations is y17 / x 13 = 3 /2 If these lines each pass through the point (6,5) Gracias`
asked by treeema 
chemistry
for chemical equilibrium, what is the difference between percent ionization and percent dissociation
asked by bme1 
Science
What kind of information has the International Space Station provided us? And what have we benefited from the information? I'm doing a project and I can't find these answeres ANYWHERE!! Any answers or websites would be GREAT!! Thank you!!!
asked by Ceci 
literature
list the literary works that you would put in your personal literary canon.
asked by Anonymous 
Legal and Ethical Aspects of Health Information
Write a 200 word paper on the three executive offices which most frequently affect the Health Information profession. What do they mean by three executive offices which most frequently affect the Health Information profession. I do not understand can you
asked by CC 
English
I forgot to include these other sentences. Thank you vey much for your cooperation. 1) The main features of Richardson’s novels are as follows/Or R’s novels have the following features./ Within R’s novels you can (are there other ways of expressing
asked by Franco 
Math (URGENT)
Write and simplify the expression. My answer: 2x +(x+3)(x2) = x^2x6 Textbook Answer: x^2x2 Please help. Thanks.
asked by John 
Math
x^2x12/x^23x4*x^21/x^2+2x3 Please help me solve, I am desperate!
asked by Iz 
ETH 125
I am having trouble with a journal entry and how to do with in first person. And finding one to do because I have all kinds of mixtures of blood, I am Indian, Irish, German,and others. So what do I write about?
asked by Terri 
PreCalculus
Hi im unsure how do this problem becasue I do not how to go about these types of problems were you make monthely payments each month of the same amount... Janene contributes $50 per month inot the Chaing China Bond Fund htat earns 7.26% annual intrerest.
asked by Kate 
faculty of science
what nursing system are found in the south african health care
asked by maty 
business
Think of a way Centura College Online could utilize one of the systems for decision making or control mentioned in this chapter to improve the way it educates students. Write a proposal (minimum of one page) to the School Director “selling” your idea.
asked by Anonymous 
med coding
whats one option for providing your employees with health care coverage for work related injuries? medicaid plans, medical savings plans, self insurance coverage or referrals to other networks
asked by nikki 
English
20.Which one of the following sentences has a number error? 25 people registered for the event. Sara lost her Social Security number, but she thinks it's 458714782. Our vacation lasted 10 days and 9 nights. We received over 10,000 applications my answer
asked by christopher 
math
18 girls need a ribbon each that is 3/4 yards long. How many yard do they need?
asked by Anonymous 
Math
Need help with this one Factor completley, if not write prime 6X2 + X15
asked by Gabriel 
algrebra
Solve by applying the quadratic Formula: all radicals should be simplified as far as possible. Show your work. a^2 12a + 35 =0
asked by dan 
Precalculus
please post response in this forum so i don't have to search for the old one u skipped this question still need help h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 7 2 2 4 0 9 7 0
asked by Kate 
PHYSICS RELLY QUICK QUESTION
is air resistnace negaitve because it opposes the motion?
asked by NINI 
math
is each ordered pair a solution of the given system? write yes or no. y=6x+12 2xy=4 (4,12)
asked by Anonymous 
Math
3{[3(x5)15][3(4x3) +3]} I need help to simply this. I have been working on this for 2 hours and still don’t get it, can anyone help?
asked by Lori 
English
Please define what is meant by "general to specific logic." Thank you
asked by Cliff 
Math
how do you find the roots of this equation? 0= 5.1x^3  115.38x^2 866.48x  2158.26
asked by Varun 
COMPUTER SCIENCE
I am finding that it is hard to balance the text and graphics without going overboard in cs4? May I have some advise please????
asked by AMANDA 
Subject Selection
I would just like to know that in what field should i study in. The main problem is that i can't choose between science and commerce. From your perspective please tell me which is better science or commerce?
asked by Chad 
math
there is a circle with abcd and point at the d, there is a dice and the only side you see on the dice is two three five here is the equations P(d, 4) =
asked by Angie 
math
what are some limitations and strengths of predicting popultion using an exponential equation?
asked by sarah 
social studies
How does the French Revolution and the Haiti Revolution change the way people live and view the world? and how did they change or shape the way people lived. if possible list a few key points that i can later expand on in each revolution. any answer is
asked by Evan 
Biology
when there is a deleterious (harmful) mutation in the gene coding for the protein 6phosphofructokinase, muscle type
asked by Jenny 
maths
(6 * 8) × (–1)
asked by wee 
math
how do u do 3P4
asked by pAvLeEn 
Science
How do people find/make sodium hydroxide?
asked by S.S 
MATH
:D HOW DO U DO 7C4
asked by pAvLeEn 
math
3{[3(x5)+15][3(4x3) +3]}
asked by Lori 
social studies
Evaluate the importance of geography in :a) enocouraging exploration of the West and the spread of the fur trade; and b) hindering these activities.
asked by chooey 
Algebra 1
I forgot how to do this problems. Help? 5x+4 ≤ 3 ≤ is less than or equal to sign Thanks!
asked by Skye 
science gr.5
what 3 things would i miss the most if there were no pulleys and gears in the world?
asked by alex 
math
is each ordered pair a solution of the given system? write yes or no. y=6x+12 2xy=4 (4,12)
asked by Anonymous 
physics 101
explain rocket propulsion in terms of conservation of momentum
asked by lance 
English
Can you please tell me if these sentences are possible? Thank you very much in advance. 1) Are the following adjectives related to weather possible: What's the weather like? It's wet/damp. It's foggy/hazy/misty (are they synonyms?) It's
asked by Franco 
st marys
what is a column
asked by pauline