Questions Asked on
November 11, 2010

calculus I
a slice of pizza, in the form of a sector of a circle, is to have a perimeter of 24 inches. What should be the radius of the pan to make the slice of pizza largest?
asked by Jesse 
adult education
what were the underpinnings of the Womankind Addiction Service? Discuss the issues &concerns as they related to those underpinnings. According to the IDM best practices case studies
asked by RT 
Physics
A liquid (density = 1.65 g/cm^3) flows through two horizontal sections of tubing. In the first section the crosssectional area is 10.0 cm^2, the flow speed is 275 cm/s, and the pressure is 1.20 x 10^5 Pa. This tubing then rises 50 cm to the second
asked by Daniel 
Nutrition
How do you calculate a patient's fluid needs? The patient is male, his current weight is 229#. His usual weight is 240#. His ideal weight is 172 #. Kcals needed per day are 3121. I also know that there are 30mL/1kg, but I'm really not sure how this
asked by Elie 
chemistry
for the complex ion equilibria between AgCl and NH3, why does NH3 replace Cl and how do we know that we have to add 2 infront of NH3? Is the product a salt compound? Ag + 2NH3= Ag(NH3)2+
asked by flame 
physics
A projectile is launched from ground level to the top of a cliff which is 195 m away and 135 m high.If the projectile lands on top of the cliff 6.5 s after it is fired, find the initial velocity of the projectile ( (a)magnitude and (b)direction ). Neglect
asked by bobjahng2 
C++
Write a statement that passes the value 4 to the function below and assign it's return value to the variable result. Thank You. int cube(int num) { return num*num*num; }
asked by Anon 
7th grade math
find a ratio equivalent to the ratio 7 over 9 then use the ratio to write a proportion
asked by chris 
Memt 202
If a rod of 1025 steel 0.5 m (19.7 in) long is heated from 20 to 80 deg C (68 to 176 deg F) while its ends are maintained rigid, determine the type and magnitude of stress that develops. Assume that at 20 deg C the rod is stress free.
asked by alok 
chemistry
for the complex ion equilibria between AgCl and NH3, why does NH3 replace Cl and how do we know that we have to add 2 infront of NH3? Is the product a salt compound? Ag + 2NH3= Ag(NH3)2+
asked by flame 
home economics
what are the different branches of home economics??????
asked by bhie 
Science
1. How do plants survive? 2. What is photosynthesis? 3. What are needed in the foodmaking process of plants? 4. What are the parts of the leaf that help in foodmaking process of plants? 5. How do plants store energy?
asked by Chelsea 
chemistry
if 0.4M NaOH is titrated with 0.4M HF, how do we calcualte the ph at equivalence. The book assumes each is 1L, but why do we use 1L
asked by flame 
Math
estimate the sum or difference by rounding the nearest one 9.87 +4.05
asked by Winston 
Chemistry
The given reaction, 2N2O5 4NO2 + O2, follows firstorder kinetics and has an activation energy of 103 kJ mol1. At 298 K, k = 0.0000354 s1. What is the halflife (min) for this reaction at 338 K ? Round your answer to 3 significant figures.
asked by Kyo 
Trig
tan^2t/sect=sectcost cott^2/csct=csctsint
asked by Mike 
college organic chemistry
two substances,a and b have same melting point.How can you determine if they are the same without using any form of spectroscopy? Explain in detail.
asked by Anonymous 
math
Find two positive numbers whose sum is 50 such that the sum of their squares is minimum?
asked by Anonymous 
math
All our streets run northsouth or eastwest, and the shop is 6 blocks east and 8 blocks north.I lost both races.The first tim, i rode directly east for 6 blocks and then directly north for 8 blocks.the next time i tried zigzagging.both times he was
asked by bobpursley please help me 
physics
The temperature of 6.80 mol of an ideal monatomic gas is raised 12.0 K in an adiabatic process. What are (a) the work W done by the gas, (b) the energy transferred as heat Q, (c) the change ΔEint in internal energy of the gas, and (d) the change ΔK in
asked by san 
english
In story "the necklace" written by "Guy De Mauspassant", if you were caught in a situation like Maltida,how would you have dealt with it
asked by abhi 
Physics
A rubber ball filled with air has a diameter of 25.0 cm and a mass of 0.540 kg. What force is requiered to hold the ball in equilibrium immediately below the surface of water in a swimming pool? Start equation out by using sumF = ma Answer is 74.9 N I just
asked by Daniel 
physics
At t = 0, a particle leaves the origin with a velocity of 9 m/s in the positive y direction and moves in the xy plane with a constant acceleration of (2 i 4 j) m/s2. At t = 1 s, what is the velocity of the particle in the x direction? I need explanation
asked by meer 
Earth Science
what is the dewpoint temperature of a kilogram of air when a psychrometer measures an 8 degree Celsius drybulb temperature and a 6 degree Celsius wetbulb reading?
asked by Anon 
chemistry
what is the structure of phenylhexane?
asked by Anonymous 
chemistry
which of the following would form acidic,basic or neutral solutions:nh4f,nh4cn,nh4ch3coo,nh4cl,ba(ch3coo)2,nacn,caso4,cr(no3)3,fecl3,na2co3
asked by andrew 
Physics
A 600kg weather ballon is designed to lift a 4000kg package. What volume should the ballon have after being inflated with helium at standard temperature and pressure so the total load can be lifted up? The problem asks for volume. Take it a step
asked by Daniel 
Geology
How many calories would it take to transform 2 grams of ice at 12C to liquid water at 85C? How do u find the answere whats the math...and how do u use the chart?
asked by Bernadet 
College Chemistry 100
The topic is about acids, bases, and salts. The two equations are given: H20 + HCL > H30 + CL; H20 + HC2H3O2 H30 + C2H3O2 The question is: A solution with a volume of one liter contains 0.45 mole HC2H3O2 and 0.48 mole C2H3O2 ion. (Ka for HC2H302 is 1.82 x
asked by Marie 
Chemistry
How many pi bonds and sigma bonds are present in ritalin?
asked by Ryan 
english
When the monarchy was restored in England, the theaters were almost immediately closed. true?
asked by danny 
english
what are are the characters names in royally jacked by Niki Burnham
asked by taylor 
COM150
What do you think the difference is between simply an opinion versus an informed opinion?
asked by Lady 
Chemistry
How many pi bonds and sigma bonds are present in ritalin I counted for pi bonds and 18 sigma bonds is that correct?
asked by Ryan 
Chemistry
Draw the Lewis structures for each of the following, determine the shape of the molecules. a. H2S b. CN3 c. CCl4 d.NH4 e.PO4 f.PCL3 f.SF6 and explain how do you determine the shape of it
asked by Jess 
Chemistry
Draw the Lewis structures for each of the following, determine the shape of the molecules. a. H2S b. CN3 c. CCl4 d.NH4 e.PO4 f.PCL3 f.SF6 and explain how do you determine the shape of it
asked by Jess 
Math
What is 90% of 110?
asked by Kate 
ALGEBRA
GRAPH THE EQUATION AND IDENTIFY Y INTERCEPT. y = x + 3; I tried this one can you tell me if I'm correct?? Let x = 0, then y = 3; (0,3) Let y =0, then x = 3 (3,0) THANK YOU!
asked by Amy 
english
The slopes of the mountain are covered with trees.
asked by neshia 
precalc
Find the indicated partial sum of the series. infinity E 3(1/2)^i i=1 third partial sum
asked by bbbb 
trig
let sin theta = 7/25 with theta in QIV find sec (2theta)
asked by george 
linear equations
Having trouble with this one. Thank you. Graph the equation and identify the y  intercept. y = 4/3x+2. (0,?) Thank you
asked by Jessica 
english
Some ancient and medieval works have several qualities present in novels. true?
asked by danny 
english
When the theaters reopened, the age of Restoration drama began. true?
asked by danny 
Chemistry
Magnesium nitrate contains chemical bonds that are ? 1. Covalent Only 2. Ionic Only 3. Both Covalent And Ionic 4. Neither Covalent Nor Ionic The answer is 3, but I don't know why. How does NO3 even bond?
asked by danny123 
physics
A force of 3000 N is applied to a 1500kg car at rest. (a) what is its acceleration? (b) what will its velocity be 5 s later?
asked by dominic echols 
Accounting
Apply the Theory of Constraints to a working environment. Explain why organizations don’t have unlimited resources (space, inventory, product line, etc). Explain why there are always limits to what organizations can do.
asked by Kyndall 
Ethics in Accounting
M.K. Gallant is president of Kranbrack Corporation, a company whose stock is traded on a national exchange. In a meeting with investment analysts at the beginning of the year, Gallant had predicted that the company’s earnings would grow by 20% this year.
asked by Kyndall 
Calculus
What are the coordinates of the points at which the slope of a function with the equation y=x^48x^2 is equal to zero? Please help me to understand how to approach this question.
asked by Allison 
chem
Consider the combustion of propane (C3H8) in the presence of oxygen: C3H8+5O2 => 3CO2+4H2O How many grams of O2 are required to react completely with 3 moles of propane?
asked by Kristy 
Spanish 1
59. ¿Con ____ vas al cine? a. qué b. quién c. qué estación d. cuál B? 60. No estoy bien. Estoy ______. a. enferma b. ocupada c. deportista d. graciosa A? 61. No quiero ir el fin de semana. Voy a ir ______. a. el sábado b. el martes c. los sábados
asked by mysterychicken 
Physics  Buoyancy
A scale reads 20.3 N when an object is not submerged in water and 20.0 N when the object is (completely) submerged in water. What is the specific gravity of the object?
asked by Phil 
Physics
A 12 kg hammer strikes a nail at a velocity of 8.2 m/s and comes to rest in a time interval of 0.0083 s. 1. What is the impulse given to the nail? 2. What is the average force acting on the nail?
asked by Nick 
ANATOMY
Is the lining of the esophagus either : 1) Simple Squamous? OR 2) Stratified Squamous? Please help . I know it has to be either 1 or 2.
asked by Kate 
Physics
why can a submarine hang in water
asked by Jemma 
Spanish 1
64. "¿Van Gustavo y Ud. a la playa?" "Sí, ____." a. voy b. vais c. vamos d. vas C? 65. "¿Dónde está Rosa?" "_____." a. A las cinco b. En el parque con Miguel c. Por la tarde d. De Guatemala B? 66. Necesito más lápices. Voy a ir ______. a. a la
asked by mysterychicken 
Finance
a stock is expected to pay a dividend of $0.50 the end of the yeat and it should continue to grow at a constant rate of 5% a year. If the required return is 14% what is the stock expected price 5 years from today
asked by Tracy 
Finance
Martell Mining Company's ore reserves are being depleted, so its sales are falling. Also, its pit is getting deeper each year, so its costs are rising. As a result, the company's earnings and dividends are declining at the constant rate of 3% per year. If
asked by Tracy 
applied physics
an airplane is heading due west at a velocity of 500 miles/hr. There is a cross wind due North at a velocity of 50 miles/hr. find the airplanes velocity relative to the ground (magnitude and direction)
asked by jennifer 
Advance algebra and trigonometry
2xy=6 8x4y=24
asked by Tj 
ENGLISH
An angel, robed in spotless white, Bent down and kissed the sleeping Night. Night woke to blush; the sprite was gone. Men saw the blush and called it Dawn. Paul Laurence Dunbar I have a few questions on this poem which I do not understand and would like if
asked by Teressa 
ENGLISH(Writeacher)
An angel, robed in spotless white, Bent down and kissed the sleeping Night. Night woke to blush; the sprite was gone. Men saw the blush and called it Dawn. Standing by my bed in gold sandals Dawn that very moment awoke me Moon fades into dawn... an ivory
asked by Teressa 
U.S. Government
The Farmers called our government a republic instead of a democracy because they wanted to be clear that they were creating a representative constitutional democracy and not a direct democracy. If the Framers were alive today? 1. What do you think they
asked by Susie 
Chemistry
Draw the Lewis structures for each of the following, determine the shape of the molecules. a. H2S b. CN3 c. CCl4 d.NH4 e.PO4 f.PCL3 f.SF6 and explain how do you determine the shape of it
asked by Jess 
Chem
A 12.3 vessel was found to contain N2, Ar He, and He. The total pressure in the vessel was 987 torr and the partial pressures of nitrogen, argon, and helium were 44 torr, 486 torr, and 218 torr, respectively. What was the pressure of neon in the vessel?
asked by Jose 
Chemistry
Consider the combustion of propane (C3H8) in the presence of oxygen: C3H8+5O2 => 3CO2+4H2O How many grams of O2 are required to react completely with 3 moles of propane?
asked by Anne 
chemistry
Consider the following double displacement reactions. For each reaction, complete and balance the equation and give the net ionic equation. NH4Cl(aq)+Ca(NO3)2(aq) > NH4(NO3)2+CaCl the second half of the equation is what I had done but I think its not
asked by Riley 
physics
A 120 kg crate on a flatbed truck is moving at 1.5 m/s2 for 65 m. What is the total work done on the crate if it's sitting horizontally at an angle of 0 degrees?
asked by Alexius 
Ethics
M.K. Gallant is president of Kranbrack Corporation, a company whose stock is traded on a national exchange. In a meeting with investment analysts at the beginning of the year, Gallant had predicted that the company’s earnings would grow by 20% this year.
asked by Chris M 
Thank you Dr.Bob222
Thank you, you don't know how much you have help me with my chem class...thank you so much..your the best!!
asked by julia 
Chemistry
Draw the Lewis structures for each of the following, determine the shape of the molecules. a. H2S b. CN3 c. CCl4 d.NH4 e.PO4 f.PCL3 f.SF6 and explain how do you determine the shape of it
asked by Nick 
physics
You pull upward on a stuffed suitcase with a force of 100 N, and it accelerates upward at 0.816 m/s2. (a) What is the mass of the suitcase?
asked by Karina 
geomtry
EF is a median of trapezoid ABCD. The length of AB is 12, and the length of CD is 18. What is the length of EF?
asked by Anonymous 
physics
You pull upward on a stuffed suitcase with a force of 100 N, and it accelerates upward at 0.816 m/s2. (a) What is the mass of the suitcase?
asked by Karina 
physics
A cowboy at a ranch fills a water trough that is 1.5 meters long, 65 cm wide and 45 cm deep. He uses a hose having a diameter of 2 cm, and the water emerges from the hose at 1.5 m/s. How long does it take the cowboy to fill the trough?
asked by Bridget 
Physics Help!!!
In one cycle, a heat engine absorbs 5900 J at 360°C and exhausts 520 J. How much work does it do per cycle?
asked by ashley 
Trig
What expression represents the same value as sin 19(degrees)?
asked by Rob 
college physics
An ideal gas (volume 1.1m3, pressure 103600 Pa, temperature 400 K) undergoes an isothermal process during which it absorbs 2000 J of heat. How much did the entropy of the system increase?
asked by Kristy 
Spanish 1
69. "¿Adónde van Felipe e Isabel?" "_____." a. Van al parque b. Vas el centro c. Va a la piscina d. Vamos a la clase de español Not sure.. 70. "Voy contigo." "______!Genial!" a. ¿Conmigo? b. ¿Con Margarita? c. ¿Con mi amiga? d. !Qué lástima! A?
asked by mysterychicken 
Math: Calculus
The velocity function is v(t)= t^25t+ 4 for a particle moving along a line. The position function s(t) is an antiderivative of the velocity function. Find the displacement, s(6)  s(3), by the particle during the time interval [3,6].
asked by REALLY NEED HELP!!!! 
physics
a 27,000kb freight train starting at 12m/s then speeds up to 45 m/s in 35 seconds. what is the acceleration?
asked by marc 
Chemistry 104
How many moles of solute are present in 155 mL of 0.30 M NaNO3?
asked by Brenna 
math
I need help to solve this math problem. 7.4=3.7+x=
asked by suzie mata 
physics
I keep geting this question wrong and cant figure out what i am doing wrong. Help please. When you push a 1.75 book resting on a tabletop, it takes 2.23 to start the book sliding. Once it is sliding, however, it takes only 1.45 to keep the book moving
asked by ju 
Physics & Calc
Derive the stationary target equations: v1 = [(m1m2)/(m1+m2)]v1 v2 = [(2m1)/(m1 + m2)] v1
asked by Megan 
HIS/135
How do the benefits outlined in the 1943 G.I. Bill compare with the G.I. Bill today?
asked by Pam 
earth science
I need to draw a diagram showing delta, oxalate, tributary and meander. I also need to draw a diagram showing water table, zone of saturation, cone of depression, working well, dry well, aquitard, aquifer, spring, perched water
asked by Ethan 
physics
a 20 kg loudspeaker is suspended 2m below a ceiling by two 3mlong cables that angle outward at equal angles. what is the tension in the cables?
asked by sam 
American History
What is the similarities and differences between the civil rights and black power movements?
asked by Liesa 
Chemistry 104
What mass (in grams) of calcium carbonate is needed to react completely with 73 mL of 0.10 M HCl according to 2HCl + CaCO3 > CaCl2 + H20 + CO2?
asked by Brenna 
physics
how do you find the initial velocity and final velocity of a ball shot up and off a cliff using only the distance and max height and time
asked by Melanie 
Chemistry 104
How many milliliters of 0.310 M BaCl2 are needed to react completely with 60.0 mL of 0.140 M NaSO4?
asked by Brenna 
Chemistry 104
How many grams of BaSO4 will be formed? (continued from pervious question!)
asked by Brenna 
Introduction to vet terminology
1. Which of the following is not a tissue type? A. Epithelial tissue B. Connective tissue C. Plasma tissue (my answer) D. Nerve tissue 2. Within the body, the _______ cavity houses the lungs. A. thoracic (my answer) B. pneumonic C. pelvic D. cranial 3.
asked by Cassie 
bio
how does the survival of males after production of young affect the optimal sex ratio? what are the assumptions of this theory? Are there any examples of how by changing the assumptions of this model the predictions will change? Why according to the basic
asked by Anonymous 
bio
what is the formula for the optimal sex ratio in a hamiltonian population? What are some real organisms that show this adaptation?
asked by Anonymous 
Chemistry 104
Nitric acid, HNO3, is available commercially at a concentration of 16 M. What volume would you use to prepare 770 mL of a 0.19 M solution?
asked by Brenna 
Cal
A plane flying horizontally at an altitude of 3 mi and a speed of 480 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (Round to the nearest
asked by Jordan 
physics
How would the use of dark matter affect the earth and universe? Explain possiblities
asked by calous 
English quick ?
I will form my lesson plan around a public school’s 4th grade class. Is there suppose to be an apostrope in the wod schools
asked by heather 
Global
The tombstone proclaims that all france lies beneath the guillotine. What revolutionary event does it depict?
asked by karla 
chemistry
if 0.4M NaOH is titrated with 0.4M HF, how do we calcualte the ph at equivalence. The book assumes each is 1L, but why do we use 1L * chemistry  Dr.Jim, Thursday, November 11, 2010 at 5:31am HF is a weak acid, so you need the dissociation constant. The pH
asked by flame 
statistics
A small company has 9 female employees and 15 male employees. In how many ways can 8 employees be selected at random for drug testing if exactly 5 of the employees must be males?
asked by Kasey 
Grammar
In the paragraphs below, look for shifts in verb tense. In each paragraph, cross out these verb shifts and replace them so that there is verb tense consistency. Write in the correct form of the verb above what you have crossed out. 1. I watched the small
asked by Leslie 
ALgebra
simplify 4z[235(3z2)]
asked by mike 
Chemistry
How is the chemical bonding in Na3PO4 both covalent and ionic?
asked by danny123 
Child Care
1. The interaction between a child's biological makeup and the environmental influences that affect his or her development and behavior is called the A. balanced systems approach B. Ecological systems theory C. body in the classroom analysis D. me/them
asked by Dragana 
5th grade word problem
jen,paula, and sarah spent the weekend decorating a neighbors house. They earned $500.00 between them. When it came to dividing the money, paula had worked three times harder than jen and sarah had worked twice as hard as paula. If the money was divided
asked by tryston 
math
a) how many tens are in 1000? b) how many hundreds are in 6000? c) how many thousands are in 2 000 000?
asked by katrina 
math
Estimate to the nearest 100 if you have: a) 56 293 b) 6 521 308
asked by katrina 
math
If 3 men who are yhe same in size need to drink 12 glasses of milk in a certain time, how many glasses of milk will 7 men who are the same size as them need in the same time frame they needed 12 glasses?
asked by katrina 
Chemistry
Which element requires the least amount of energy to remove the loosely held electron from a gaseous atom in the ground state? a. bromine b. calcium c. sodium d. silver How do you know?
asked by danny123 
US History
Need help answering these: 5. In their 1994 Contract with America, Republicans pledged to a. renew the "Star Wars" initiative b. end federal welfare spending entirely c. balance the budget d. increase taxes 6. Several of the important decisions of the
asked by mysterychicken 
trigonometry
exact value of cot[arccos(2/3)]
asked by sam 
chemistry
How much iron can be recovered from 25.0 grams of FeO?
asked by Zach 
math
Put these numbers in order smallest to largest 0.6. 0.06. 0.43. 0.9
asked by Anonymous 
Chemistry
How many grams of potassium can be obtained from the decompostion of 100 grams of KCl?
asked by Zach 
chemistry
a 5% acetic acid solution contains grams of acetic acid per 
asked by tiffany 
Chemistry
calculate the number of formula units of 0.0067 g of lithium carbonate, Li2CO3?
asked by Zach 
reading
how do you know that the stranger ontinued to care about the baileys after he left the farm?
asked by kaitlyn 
trig
exact value of cot[arccos(2/3)]
asked by sam 
English
How is Scout Finch described in To Kill A Mockingbird? What does she look like and what are some personality traits she has?
asked by Ceci 
Biology
Where would you find Calcium Carbonate in a Safari environment?
asked by Ceci 
chem
A 4.91 g sample of aluminum completely reacts with oxygen to form 6.85 g of aluminum oxide. Use this data to calculate the mass percent composition of aluminum in aluminum oxide. i got 61.2% first and it was wrong. then i got 53.0% and it was wrong
asked by hannah 
chem
I am having trouble coming up with a lab to determine the pka of salicyclic acid! help1
asked by jmf 
Calculus
A particle moves in a straight line with velocity t^2  1/9 ft/s. Find the total displacement and total distance traveled over the time interval [1,4]. I found out that the total displacement is .4116 But I cannot find the total distance traveled.
asked by D 
Physics
A man pushes on a piano of mass 180 kg so that it slides at a constant velocity of 12.0 cm/s down a ramp that is inclined at 11.0degrees above the horizontal. No appreciable friction is acting on the piano. Calculate the magnitude and direction of this
asked by Carmen 
physics
A patient is to be given a blood transfusion. The blood is to flow through a tube from a raised bottle to a needle inserted in the vein . The inside diameter of the 4.8 cm long needle is 0.48 mm, and the required flow rate is 4.9 cm^3 of blood per minute.
asked by ashley 
math
what is the formula for calculating a triangular prism's volume?
asked by raluca 
physics
Blood from an animal is placed in a bottle 2.0 m above a 3.4 cm long needle, of inside diameter 0.35 mm, from which it flows at a rate of 2.9 cm^3/min. What is the viscosity of this blood? Assume Pblood}=1.05 * 10^3 kg/m^3.
asked by tiffany 
chemistry
ten mols of metallic iron was dissolved in concentrated HCl.what is the balanced chemical equation? a) what is the mass of each product that formed? b) what amount of HCl was used in this reaction? need help in those three questions please......
asked by tarkan 
geometry
the diagonal of a rectangular room is 52ft long. one wall measures 28ft longer than the ajacent wall. find the dimensions of the room
asked by badal 
Chemistry
What is the molecular ratio in the following equation:H2O + SO3 = H2SO4
asked by Beth 
EDU310
What roles do school teachers play in their community? Is it important that teachers are involved in the community.
asked by Anonymous 
Chemistry
What is the molecular ratio of the following equation? HNO3 + KOH = H2O + KNO3
asked by Beth 
chemistry HMWK help.......
you decide to have a BBQ in your backyard. you have 1Kg of pentane (C5H12) in the tank. What is the amount of carbon dioxide (in mass and mols) you will be contributing to the greenhouse gas effect by using up that 1Kg of pentane? plz.... need the answer
asked by tarkan 
Chemistry
how do i find total pairs shared pair and lone pairs after creating the Lewis Structures
asked by Lola 
chemistry HELP......
what mass of hydrogen will react with 25g of oxygen to produce water?
asked by tarkan 
ALgebra
simplify (2x^3)^2 (3x^2)
asked by mike 
Chemistry
Would the molecular ratio of the equation 4Na + O2 = 2Na2O be 4:2?
asked by Beth 
chemistry
nitrogen gas and oxygen gas combines to produce nitrogen dioxide. What amount of oxygen gas is needed to completely react with 3kg of nitrogen gas?
asked by tarkan 
chem
Silver chloride, often used in silver plating, contains 75.27% Ag. Calculate the mass of silver chloride in grams required to make 4.7 g of silver plating.
asked by hannah 
Chemistry
Does the aufbau principle apply to radioactive isotopes?
asked by Beth 
chemistry
what is the [h3o+] in a 9.93 x 10^6 M Ba(OH)2 solution?
asked by jj reddick 
chemistry HELP
hydrogen peroxide (H2O2) decomposes into water and oxygen. what amount of hydrogen peroxide is necessary to produce 24g of oxygen.
asked by tarkan 
chemistry
provide with enough heat, magnesium and oxygen can undergo a synthesis reaction. how much magnesium is neede if 3.5kg of product is desired?
asked by tarkan 
chemistry
When I am writing a halfreaction with a corroding metal that is in deionized water, what can i assume there to be in the water that can show up in a halfreaction?
asked by Randy 
US History
12. To which groups did George Wallace target his campaign? a. southerners and bluecollar voters b. Republicans and leftleaning Democrats c. campus radicals and antiwar forces d. professors and editorial writers A? 15. What effect did Supreme Court
asked by mysterychicken 
Art
What atrists, styles and events did Pierre Auguste Renoir have influences on?
asked by Jennifer 
chemistry
When I am writing a halfreaction with a corroding metal that is in Deaerated water, what can i assume there to be in the water that can show up in a halfreaction?
asked by Randy 
geometry
Given: segment DE is perpendicular to segment AB and segment AD is perpindicular to segment BC then Prove that BE times AD equals BD times CE
asked by justine 
Chemistry
What would be the molecular ratio of the following equation? 2NO2 = 2NO + O2
asked by Ann 
math
All our streets run northsouth or eastwest, and the shop is 6 blocks east and 8 blocks north.I lost both races.The first tim, i rode directly east for 6 blocks and then directly north for 8 blocks.the next time i tried zigzagging.both times he was
asked by drwls please help me new info. 
chemistry HMWK help.......
ammonia is produced by sythesizing nitrogen and hydrogen gas. if i have 2 mols of nitrogen gas and 5 mols of hydrogen gas, which reagent will run out first?? a) if i have 0.0345 mols of nitrogen gas and 0.0537 mols of hydrogen gas, which reagent will run
asked by tarkan 
PHYSICS !
If a ball is sliding down a ramp that is on a slant, so that the ball sliding down falls off. Is the speed of the ball constant(meaning staying at the same speed)? or Speeding up? If so, how?
asked by Kate 
chemistry
A sample of carboxylic acid is added to 50.0 mL of 2.27 M NaOH and the excess NaOH required 28.7 mL of 1.86 M HCl for neutralization. How many moles of NaOH reacted with the carboxylic acid?
asked by Ali 
ALgebra
simplify (2x^4) (8x^3)
asked by mike 
ChemistryPlease Help!
I have these 5 chemical equations and I keep getting the same 1:1 ratio on all of them. I must be doing something wrong! KCL + NaNO3 = KNO3 + NaCl HNO3 + KOH = H2O + KNO3 H2O + SO3 = H2SO4 4Na + O2 = 2Na2O 2NO2 = 2NO + O2
asked by Ann 
college
laceyleafed, tap rooted plants first grow in windswept highlands of afghanistan. Greeks used as a digestive tonic when they overeaten other foods.Lewis and clark concluded they must have been indigenous to north america.
asked by Amy 
chemistry
an evil chemist would like to produce 2.4 toones of sulphur dioxide to pollute his city. the chemist know that zinc sulphide and oxygen can react to produce zinc oxide and sulphure dioxide. how much oxygen and zinc will he need to purchase to make his
asked by tarkan 
Physics
If a cylindrical space station 300m in diameter is to spin about its central axis, at how many revolutions per minute rpm must it turn so that the outermost points have an acceleration equal to g?
asked by Carmen 
To Amanda
I deleted same lengthy assignment that you've posted three times in the last hour or so. "Posted by Amanda on Thursday, November 11, 2010 at 5:40pm. Continuing Cookie Chronicle (Note: This is a continuation of the Cookie Chronicle from Chapters 1 through
asked by Ms. Sue 
chem
what is the [h3o+] in a 9.93 x 10^6 M Ba(OH)2 solution? (this is all that's given)
asked by jj reddick 
Physics
A tennis player hits a 58.0g tennis ball so that it goes straight up and reaches a maximum height of 6.17m. How much work does gravity do on the ball on the way up? On the way down?
asked by Carmen 
Math
Rosario noticed that the distance from the pole in the center of the tetherball circle to the painted circle was about six feet.What was the approximate radius of the tetherball circle?
asked by Daijiana 
8th grade science
Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved stretches at either end. Where on the track does Peggy experience balanced and unbalanced forces? Explain your answer.
asked by Juan 
science
What Mendel called a factor is today called a (n) ____________, which is a part of a (n)__________that contains many factors.
asked by Antonino 
chemistry HMWK help....... REPOST
you decide to have a BBQ in your backyard. you have 1Kg of pentane (C5H12) in the tank. What is the amount of carbon dioxide (in mass and mols) you will be contributing to the greenhouse gas effect by using up that 1Kg of pentane? plz.... need the answer
asked by tarkan 
PHYSICS
A bathysphere used for deep sea exploration has a radius of 1.60 m and a mass of 1.20 104 kg. In order to dive, the sphere takes on mass in the form of sea water. Determine the mass the bathysphere must take on so that it can descend at a constant speed of
asked by A 
Spanish 1
69. "¿Adónde van Felipe e Isabel?" "_____." a. Van al parque b. Vas el centro c. Va a la piscina d. Vamos a la clase de español Not sure.. 70. "Voy contigo." "______!Genial!" a. ¿Conmigo? b. ¿Con Margarita? c. ¿Con mi amiga? d. !Qué lástima! A?
asked by mysterychicken 
Chem! Please helpppp!!!!!
Consider the evaporation of methanol at 25.0 c: CH3OH(l) CH3OH(g) I figured out that Delta G is 4.3 kJ. Find the Delta G at 25 C under the following conditions: Pressure of CH3OH= 157mmHg, 103mmHg, 14mmHg thanks! please explain
asked by JP 
English
Can you help me find a word that can go at the end of all 3 beginning words. For example: safe, fire, soda, answer is "cracker". I need help with fire, stone, blank...
asked by Cindy 
ethics
Examine the issue of monitoring of email and develop a justification or condemnation for this use of the technology using a rulesbased (Deontological) ethical theory
asked by Anonymous 
Intermediate Algebra
If a system has an infinite number of solutions, use set−builder notation to write the solution set. If a system has no solution, state this. y = x + 2, 3y − 2x = 4
asked by Donna 
Biology.. Nutrition (college)
What root was widely traded were the seeds that Lewis and Clark concluded that they must have been indigenous to North America
asked by Amy 
Intermediate Algebra
if a system has an infinite number of solutions, use setbuilder notation to write the solution set. If a system has no solution, state this. m  2n = 16, 4m + n = 1
asked by Donna 
English
Can you please check if the following sentences are correct? Thank you. 1) The average amount of pocket money is £8. Boys spend it on sweets, fast food, CDs and computer games. 2)Jess comes from Colorado, a country in the southwest of the USA. 3)
asked by Franco 
English
I forgot to include the following sentences. I hope you can have a look at them too. 1) Mickey is late because he’s got the wrong room number on his timetable. 2)He apologises to Mrs Winter for being late. 3) She tells him not to arrive late again. They
asked by Franco 
physics
IP You want to nail a 2.4kg board onto the wall of a barn. To position the board before nailing, you push it against the wall with a horizontal force to keep it from sliding to the ground What happens to the force of static friction if you push against
asked by mathhelp 
arithmetic
Mr. Mcwilliams drove 76 miles on monday and 43 miles on tuesday what is the total distance.
asked by miyoko 
2nd grade
it is greater than 43 less than 52 if you add digits the sum is 8 write the number word
asked by rose 
physics
Find the acceleration (mls^2) of the masses, given that m1= 1.0kg, m2= 2.0kg and m3= 3.0kg . Assume the table is frictionless and the masses move freely.
asked by jay 
math
at breakfast buffet, 93 people chose coffee for there beverage and 47 people choe juice. Twentyfive people chose both. Each person chose at least one of these beverages. how many visted the buffet
asked by alexi 
8th grade
did anyone read the barcode tattoo by suzanne weyn? if you did, can you help me find 2 hyperboles and the page numbers? the help is greatly appreciated. thank you
asked by dana 
Science
Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved stretches at either end. Where on the track does Peggy experience balanced and unbalanced forces? Explain your answer.
asked by Juan 
math
1. Find the markup cost:$18 percent of markup: 35%
asked by lilly 
physics
A person bends over, and lifts an object of mass m = 28.5 kg while keeping the back parallel with the floor. The muscle that attaches 2/3 of the way up the spine maintains the position of the back. This muscle is called the back muscle or latissimus dorsi
asked by rose 
Finance
I need to develop a proposal for a US company, that wants to expand internationally to purchase a consumer electronics’ firm in another country. The country I have chosen is South Korea. I need to include an economic assessment of the country, a risk
asked by Diane 
8th grade science
Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved stretches at either end. Where on the track does Peggy experience balanced and unbalanced forces? Explain your answer.
asked by Juan 
math
Sentences in which the names of countries are hidden. By joining words or parts of words. Elvira questioned the monthly electric bill. Swollen glands can be very painful. Shout,"Hail" and be recognized.
asked by Ted 
calculus
if f(x)=4^2x1, find f(1)+f(2)
asked by gen 
Physics
Which of the following forces does NOT have a zero work done on the object. Choices The normal force on a box that slides across a horizontal level floor. The weight on a box that slides across a horizontal level floor. The normal force on a box that
asked by rose 
calculus
1. if f(x)=3^x3^x, find :f(2),f(1) 2. if y1=x^2+3x1 and y2=x5, find: a. y1+y2 b. y1y2 c. y1(y2) please show solution thanks.
asked by gen 
HISTORY
IS THE US CONGRESS the only democratically elected legislature in the world.
asked by CARNITA 
geometry
A rectangular box measures exactly 72 cubic feet. What are its possible dimensions? Give 3 answers.
asked by kathryn 
HISTORY
IS U.S. Congress prohibited from passing laws that might conflict with state laws
asked by CARNITA 
math
Find the selling price. Cost: $6 percent of markup: 75% would the answer be $4.50 selling price?
asked by lilly 
MATH
A rectangular prism has a volume of 6,090 cm3, a width of 14 cm, and a length of 15 cm. What is the height of the rectangular prism?
asked by SHANNON 
Accounting
I have the following items listed on a balance sheet and income statement: Balance Sheet: Cash Accounts Receivable Inventory Prepaid Expenses Equipment Accumulated Deprecation Accounts Payable Income Taxes Payable Dividends Payable Salaries Payable
asked by Tjo05 
math
one evening, three people play three rounds of a betting game with the undrestanding that the person who comes in last each round must double the money of the other two. After three rounds, each person has been last just once and each has $24. What were
asked by Anonymous 
8th grade prealgebra
how to use a grid and lenghts of line segments to give a geometric argument
asked by nerdy 
biology
What advantages did using the elodea stalk have over using its leaf or leaves?
asked by js 
Physics
An 8.74kg block slides with an initial speed of 1.52 m/s down a ramp inclined at an angle of 27.0° with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.64. Use energy conservation to find the distance the block
asked by Jo 
chemistry
How many grams of H2(g)can theoretically be produced from a 5g sample of magnesium metal and excess HC1(aq)?
asked by Brit 
Precalculus
find xintercept 0.01x^2+0.7x+6.1
asked by HaRI 
chemistry
What metals are suitable for use as the cage around the magnesium metal?
asked by Brit 
math
Find the selling price Cost: $6 percebr of markup: 50%
asked by lilly 
HISTORY
WHICH WOULD BE THE BEST CHOICE The U.S. Congress is 1 the only democratically elected legislature in the world. 2 prohibited from passing laws that might conflict with state laws. 3 required to reapportion every year. 4 nonpartisan. 5 bicameral. i CAN NOT
asked by CARNITA 
substance
Whut is an eleven letter word starting with e that means process which alcohol leaves the body, this is for a crossword puzzle?
asked by sirhulk 
science
how many molecules are in LYCRA and STARCH?
asked by Anonymous 
CHEMISTRY
WHAT WILL BE THE BALANCE CHEMICAL FORMULA FOR THIS QOUESTION ammonia is produced by sythesizing nitrogen and hydrogen gas. if i have 2 mols of nitrogen gas and 5 mols of hydrogen gas, which reagent will run out first??
asked by tarkan 
5th grade
the lengths of two sides of a triangle are 15 inches each and the third side measures 10 inches what kind of triangle is that
asked by mara 
Spanish
Need help with this 'Write the time in sentence form (in spanish) for each of the following: 77. 1:15 78. 2:30 79. 4:45 80. 7:10 Thanks! MC
asked by mysterychicken 
Literature
According to charley's psychiatrist, how can charley's visit to the third level be explained
asked by Ashley 
economics
The participation of women in the U.S. labor force has risen dramatically since 1970. a. How do you think this rise affected GDP? b. Now imagine a measure of wellbeing that includes time spent working in the home and taking leisure. How would the change
asked by TC 
geometry
Given quadrilateral ABCD, with A = 4x  57 and C = x + 3, what value of x ensures that ABCD is a parallelogram?
asked by josh 
Geometry
1) Find the lengths of the legs of two possible triangles whose areas would be as close as possible to one square inch without going under. 2) What if the triangle has to be an isoceles triangle? (area must be close to one square inch) (Give answers in
asked by Katie 
Econnomics
The New York Times cost $0.15 in 1970 and $0.75 in 2000. The average wage in manufacturing was $3.23 per hour in 1970 and $14.32 in 2000. a. By what percentage did the price of a newspaper rise? b. By what percentage did the wage rise? c. In each year, how
asked by TC 
math
mary wants to build a fence around her rectangular garden. it is 10m wide and 15m long. how much fencing does she need to buy
asked by gill 
Chemistry
Calculate Delta G for the spontaneous cell produced from the following: Al^3+ + 3e^ > Al (s) Mg^2+ + 2e^ > Mg (s) In order to solve this, you need to determine the half reactions..ie which is reduced and which is oxidized. How do I know which one is
asked by Mike 
Accounting
Complete exercises 21 and 22 on pp. 9598 of Computer Accounting with Peachtree Complete® 2010 using Peachtree.
asked by James 
Romeo and Juliet
How long was Romeo and Juliet married be4 the prince exiled Romeo?
asked by Angel 
calculus
find x intercept; y=0.01x^2+0.7x+6.1
asked by SaM 
calculus
if y1=x^2+3x1 and y2=x5, find: a. y1+y2 b. y1y2 c. y1(y2)
asked by gen 
To TC
Please do not post any more economics assignments until you've answered my queries about your two previous posts.
asked by Ms. Sue 
Science
Which one is correct about Wien’s law for blackbody radiation? It gives the relationship between the maximum wavelength and intensity the temperature and intensity the range of wavelength and frequency the wavelength for its maximum intensity and
asked by Stormy 
Science
Since industrial revolution, what is the increased atmospheric CO2 of the US? 10% 30% 50% 90%
asked by Stormy 
MAT 116
PLEASE HELP ME SOLVE 8(3X5)6(9/3) I got this far 8(15)6(3) then I got lost
asked by TRACY 
Chemistry
Thioacetoamide decomposes in hot water to produce hydrogen sulfide, which is the active reactant in the first step of this reaction. write balanced equation of thioacetoamide in water. Does what I have below make sense? C2H5NS + H2O > H2S + C2H3NO
asked by Anonymous 
algebra
4y  10 + y + 51 = 6y + 50  4y Please help me. thanks!
asked by thawk46845 
Science(very easy)
What are 2 examples of natural chemical changes?
asked by Daykrina 
Physics
To make a bounce pass, a player throws a 0.60kg basketball toward the floor. The ball hits the floor with a speed of 5.5 m/s at an angle of 59° from the vertical. If the ball rebounds with the same speed and angle, what was the impulse delivered to it by
asked by Evab 
electrical
penn foster exam 00603300
asked by james 
chemistry
For each of the following acidbase reactions, calculate how many grams of each acid are necessary to completely react with and neutralize 2.1g of the base. 1) HCl(aq)+NaOH(aq)>H2O(l)+NaCl(aq) 2) 2HNO3(aq)+Ca(OH)2(aq)>2H20(l)+Ca(NO3)2(aq) 3)
asked by rachel 
mat 116
8(3*5)+6(9/3)=? took 8(3x5=15) +6(9/3=3) 8(15)+6(3)= took 8(15)+6(3)= 8x(15)+6x(3)= 120+18=138 answer is this answer correct??
asked by TRACY 
algebra
Please help! 7/3x + 1/3x = 4x + 48/3 + 8/3x Thanks so much for your help!
asked by thawk46845 
CPa
A company makes an investment of $150,000 with a useful life of 10 years and expects to use this investment to generate $300,000 in sales with $280,000 in incremental operating costs. If the company operates in an environment with a 30% tax rate, what are
asked by Anonymous 
5th grade
if 5/17 of region is shaded what part is not?
asked by d 
physics
a boy is pulling on a wagon with a force of 70 N directed at an angle of 30 degrees to the horizontal. What force is the wagon being pulled horizontally?
asked by Anonymous 
English
Complete the sentence by writing the correct form of the word in parentheses. You may not need to change the form that is given. 1. She made her fortune in the ____ market before she became a fulltime philanthropist. (security) Would the correct answer be
asked by Anon 
physics
A pendulum that consists of a 2kg mass swings a maximum vertical displacement of 10 cm above its rest position. At its lowest point, the KE of the mass is equal to F. 0.196 J G. 1.96 J H. 19.6 J J. 196 J K. 1960 J
asked by max 
9th grade
How long was Romeo and Juliet married before the prince exiled Romeo?
asked by Angel 
algebra
8(5x2)=84 Please help. Thank you!
asked by thawk46845 
3rd grade
What two numbers have the sum of 16 and the difference of 6?
asked by Lynika 
phys
The space shuttle, with an initial mass M = 2.41E+6 kg, is launched from the surface of the earth with an initial net acceleration a = 26.1 m/s2. The rate of fuel consumption is R = 6.90E+3 kg/s. The shuttle reaches outer space with a velocity of vo = 4632
asked by leon 
4th grade
explain how you could show five less than a number using and expression?
asked by anais 
HISTORY
What was J. Dennis Hastert's style as Speaker
asked by CARNITA 
HISTORY
Who has the true leader of the Senate by virtue of having the most power and influence in the chamber
asked by CARNITA 
chemistry
A scientist wants to make a solution of tribasic sodium phosphate, Na_3PO_4, for a laboratory experiment. How many grams of Na_3PO_4 will be needed to produce 550 mL of a solution that has a concentration of Na^+ ions of 0.500 it M?
asked by Anonymous 
Math
what is the volume of a sphere that has the same diameter and height of a cylinder that is 24 cubic feet in volume?
asked by Nika 
English
How do these develop theme of these allusions from Hamlet? 1. "I would have such a fellow whipped for o'erdoing Termagant" (II,ii,14) So basically Hamlet is telling his actors not over act during the play. 2. “For O, For O, the hobbyhorse is forgot”
asked by Joey 
mat116
3/7x = 6/35 Badly need your help. Appreciate it greatly.
asked by cindy 
math
Karen's age is 7 years more than 9 times the age of her niece Emma.If the sum of their ages is 57,what is Emma's age?Make and solve an equation.
asked by Affy 
history
Which of the following accurately characterizes a difference in the way the House and Senate operate? (Points : 1) The House is more formal than the Senate. The Senate leadership is more powerful than the House leadership. 1 Authority in the Senate is
asked by CARNITA 
Math
How many cubic units are in the volume of a cylinder whose height is four units and whose radius is five units? What is the surface area of a cube whose volume is 27 cubic inches?
asked by Nika 
Grammar
What is subject and predicate in the following sentences: The smell of cooking is delicious to the hungry campers. A good fire is difficult to build. Everybody helps to pitch a tent.
asked by Hayden 
Math
what is the volume of a sphere that has the same diameter and height of a cylinder that is 24 cubic feet in volume?
asked by Nika 
5th grade
what is 1/5 of 10
asked by mj 
IT/215 payroll program part 3
not understanding how to place a constructor within the program.
asked by Marilynn 
6th grade
the sum of two decimals numbers is 3.9. Their diffrence is 0.9, and their product is 3.9. What are the two numbers
asked by Anonymous 
history
The Senate has the sole power to a. declare war. b.approve major presidential appointments. c.regulate the District of Columbia. d.issue patents and copyrights. e. establish post offices and post roads. I think it is b.
asked by CARNITA 
Math
wheel of thorium? what is it?
asked by Evan 
Physics
*62. A 40.0kg boy, riding a 2.50kg skateboard at a velocity of +5.30 m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with the board, the boy's velocity relative to the sidewalk is 6.00 m/s, 9.50° above the
asked by Cornelius 
Algebra
Tara and Jade are hiking up a hill. Each has a different stride. The run for Tara's stride is 32 inches, and the rise is 8 inches. The run for Jade's stride is 36 inches. What is the rise of Jade's stride?
asked by Loren 
Physics
*62. A 40.0kg boy, riding a 2.50kg skateboard at a velocity of +5.30 m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with the board, the boy's velocity relative to the sidewalk is 6.00 m/s, 9.50° above the
asked by Cornelius 
Related rates
Two people start from the same point. One walks east at 1 mi/h and the other walks northeast at 2 mi/h. How fast is the distance between the people changing after 15 minutes?
asked by Michael 
English
what was the world war 1 war on the homefront in canada like?
asked by Rebecca 
math
Use the method of differences to prove the following formulas 1) ∑_(r=1)^n▒〖r=(n(n+1))/2〗 2) ∑_(r=1)^n▒〖r^2=(n(n+1)(2n+1))/6〗
asked by Wayne 
math
837 divided by f = 31
asked by tara 
math
Regular price: $8.49 percent ot discount 5%
asked by lilly 
Englis
Please give feedback on the following essay which is supposed to say if I agree or disagree that the pure in heart need no lawyers... Brandi Lubrano Torti English Period 2 2 November 2010 The Pure in Heart In Act III of the Crucible, Danforth states,
asked by M 
Grammar
What about A good fire is difficult to build Simple Subject:fire Simple predicate: is difficult to build.? Would the simple predicate be build or is?
asked by Hayden 
Western civilization
Describe and Explain Mussolini's rise to power.
asked by Joe 
Algebra
a ladder is leaned against a building. the bottom of the ladder is 9 feet from the building the top of the ladder is 16 feet above the ground. draw a diagram to represent the situation. what is the slope of the ladder?
asked by Loren 
9th grade
how do i use the distributive property???
asked by Thomas 
SCIENCE
Is a forest fire a natural chemical change? Please help me find some other natural chemical changes. Thank you!
asked by Pratigya 
Math
Find the lineartolinear function whose graph passes through the points (1,1), (5,2) and (20,3). What is its horizontal asymptote?
asked by Mia 
Linearization
Find the linear approximation of the function f(x) = √16x at a = 0
asked by Michael 
organic chemistry
what is mechanism for triphenylmethanol with hydroiodic acid and sodium bisulfite.
asked by jayesh 
chemistry 2
What is the molality of a solution that has 80 grams of Benzoic Acid dissolved in 400 mL of ethanol. The density of ethanol is .789 grams/moles
asked by MICHELLE 
math
A recipe calls for 6 1/2 cups of flour. You have 4 3/4 cupa. How much more flour do you need?
asked by lilly 
literary
What is the literary term which means, "the point where the author catches our attention?"
asked by Olivia 
Algebra math
Tara has saved 18% of her paycheck. She saved $133.00. How much was her total paycheck?
asked by Kathy 
SCIENCE
Is decomposition a natural chemical change? Is photosynthesis a natural chemical change? thanks!
asked by Pratigya 
Physics
A copper wire is 7.00 m long and has a crosssectional area of 1.00 104 m2. This wire forms a one turn loop in the shape of a square and is then connected to a battery that applies a potential difference of 0.200 V. If the loop is placed in a uniform
asked by Max 
Managerial Accounting
M.K. Gallant is president of Kranbrack Corporation, a company whose stock is traded on a national exchange. In a meeting with investment analysts at the beginning of the year, Gallant had predicted that the company’s earnings would grow by 20% this year.
asked by raja 
science
You need 5.00 grams of AgNO3. You have a 1.25 molar solution. What volume of that solution contains 5.00 grams?
asked by MICHELLE 
Chemistry
How many pi bonds and sigma bonds are in ritalin molecule? I counted 4 pi bonds and 18 sigma bonds is that correct? I know double bonds are pi bonds and single bonds are pi bonds
asked by Kristy 
algebra
a) Find a polynomial R(p) that represents the total revenue when the shirts are p dollars each. b) Find R(5), R(10), and R(20). c) Use the bar graph to determine the price that will give the maximum total revenue.
asked by Anonymous 
anatomy
what is the vein in the dura matter parallel to the longitudinal fissure?
asked by Lynn 
science
suppose you had two samples of the same radioactive isotope. one sample had a mass of 25 grams. the other had a mass of 50 grams. would the same number of particles be ejected from each sample in the first hour? explain
asked by hannah 
Islamic history
How was Islam directly tied to the beginnings of monotheism? Who was Ishmael, and how was he described in the Bible and the Koran? Mohammed was arguing over more than the belief in one God. Why were the Arab leaders threatened by his ideas? What were his
asked by Will M 
Math, Please help :/
Kyle had 36 books in his locker. Some were library books, some were textbooks, and the rest were telephone books. The number of library books and telephone books combined equals 3 times the number of library books.How many of each type of book were in
asked by Amanda 
Linearization 2
ind the linearization L(x) of the function at a = 1. f(x) = x^4 + 6x^2
asked by Michael 
physics
a pair of glasses is dropped from the top of a 36.0 m high stadium. a pen is dropped from the same position 2.21 seconds later. how high above the ground is the pend when the glasses hit the ground? (disregard air resistence. a=g=9.81 meters per second
asked by PHYSICS HELP 
physics
once a 21 kg crate is in motion on a hoizontal floor, a horizontal force of 58 N keeps the crate moving with a constant velocity. the acceleration of gravity is 9.81 m/s^2. what is mu k , the coefficient of kinetic friction, between the crate and the
asked by autumn 
physics
A car at the Indianapolis 500 accelerates uniformly from the pit area, going from rest to 260 km/h in a semicircular arc with a radius of 210 m. Determine the tangential and radial acceleration of the car when it is halfway through the turn, assuming
asked by Eden 
US History
I still don't know about these and I realllyy need to finish this exam, so please help me!! 15. What effect did Supreme Court decisions on apportionment bring about? a. People accused of a crime must be informed on their rights b. Lowcost health insurance
asked by mysterychicken 
college chemistry
Comparing the boiling points of: A) C3H8 B) C5H12 C) C2H5OH and identify the folowing statements as either True or False: Dispersion forces only for (A) Boiling point (C) > Boiling point (A) (B) exhibits hydrogen bonding Boiling point (C) < Boiling point
asked by Stefanie 
chemistry
a 30. L sample of gas exerts 200. mm Hg pressure at 10 degrees C. What volume does the gas have at 300. mm Hg and 25 degrees C?
asked by kaitlin 
math 050
There are 12 girls and 9 boys in the class. What is the ratio of girls to boys? Be sure the ratio is in simplified form.
asked by Anonymous 
math
Loretta bought a new computer for $1849 a new printer for $159 and a new software for $289 incudeing tax. She plans to make equal payments of 10% of the total amount. What is a resonable amount for each payment? A. $20 B.$23 C.$23 D.$2100
asked by lilly 
math 050
Apples cost $4 for 5lbs. How much will 40 lbs.of apples cost? (Set up a proportion and solve it)
asked by Anonymous 
math
A car travels 84 mi on 3 gal of gas how would I do this?
asked by lilly 
probability and statistics
Chapter 9: 17. Do students at various universities differ in how sociable they are? Twentyfive Students were randomly selected from each of three universities in a region and Were asked to report on the amount of time they spent socializing each day with
asked by Dianne 
Calculus
Evaluate. The integral of (e^5x)(sin6x)dx
asked by Adam 
Calculus
First make a substitution and then use integration by parts to evaluate. The integral of (x^9)(cos(x^5))dx What do you substitute first? I do not understand what they are asking for. Please help. thanks!
asked by Adam 
CALC
Evaluate The integral from 0 to 5 of (t)(e^t)dt. I got 5e^5+e^5, but this is incorrect.
asked by Adam 
math 050
If there are 435 U.S. Representatives, how many votes are required for a simple majority (over 1/2)?
asked by Anonymous 
chemistry
Reactants for the following reaction are placed in a 10.0 L flask held at 250 degrees C and at initial partial pressures of 1.00 atm each. Calculate the final pressures of each reactant and product, assuming the reaction goes to completion. 4 N2O(g) +
asked by Kyle 
math 050
Jim has two boards, each with a length of 51/4 inches. If he lays them end to end, what will the total length be?
asked by Anonymous 
math 050
Solve and check 2/3=x/42
asked by Anonymous 
math 050
There are 3 pizzas, cut into 10 peices each. The total cost of the pizzas was $25, and dorm A contributed $10 towards the pizza. How many peices of pizza should dorm A receive?
asked by Anonymous 
math
Write a proportiom to describe the situation the solve. Three cans of dogs food sell for 99 cents. Fine the cost of 15 cnas
asked by lilly 
math
The sale price of a coat is 40% off it's regualr price of $59.50. Which equation can be used to find s, the sale price of the coat? A. S= 59.50  59.50(0.40) B. S = 59.50 + 59.50(0.40) C. S= 59.50  59 50(0.60) D. S=59.50 + 59.50(0.60)
asked by lilly 
English
1.We have planted several new varieties of day lilies along the fence. 2.Soon, my shoes were full of sand. 3.For a beginner, he plays well. 4.She jogs around the reservoir every morning. 5.With great courage, Rosa Parks disobeyed the bus driver. Identify
asked by Janice 
science
A boulder weghighs 10,000 grams and rolling at a rate of 2 m/s, has a momentum of
asked by dandre 
Physics
a skateboarder moving at v = 4.8 m/s along a horizontal section of a track that is slanted upward by 48° above the horizontal at its end, which is h = 0.54 m above the ground. When she leaves the track, she follows the characteristic path of projectile
asked by Brian