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2011
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Questions Asked on June 28, 2011

Consider the combustion of liquid methanol,CH3OH (l) CH3OH (l) +3/2O2 (g) = CO2 (g) + 2H2O(l) H = -726.5 kJ What is for the
1. 5 answers
2. asked by Lisa
3. 5,338 views
A frog in a hemispherical bowl, as shown below, just floats in a fluid with a density of 1.26*10e3 kg/m3. If the bowl has a
1. 9 answers
2. asked by Drew
3. 5,209 views
Energy, q, w, Enthalpy, and StoichiometrySource(s):Consider the combustion of liquid methanol, CH3OH (l). CH3OH (l) +3/2O2 (g) =
1. 8 answers
2. asked by Lisa
3. 3,937 views
Two identical cars have the same speed, one traveling east and one traveling west. Do the cars have the same momentum?
1. 2 answers
2. asked by Angel
3. 2,893 views
Hey, it's me again,Can someone help me with this question? A water balloon is dropped from the top of a building. Assume the
1. 1 answer
2. asked by Josh
3. 2,870 views
100 mL of water is already in the calorimeter. Use the density of water at 25°C (0.998 g/mL) to determine the mass
1. 2 answers
2. asked by marty
3. 2,778 views
Leah has x half-dollars and y nickels, while James has x quarters and y dimes. Both have a total of 3$ . Compute the ordered
1. 4 answers
2. asked by jb..bb
3. 2,527 views
a skater holds her arms outstretched as she spins at 140 rpm. What is the speed of her hands if they are 125 cm apart?
1. 1 answer
2. asked by Kate
3. 2,456 views
Calculate the molar heat of neutralization in kj/mol of the reaction between HA and BOH given the following information:The
1. 1 answer
2. asked by Lance
3. 2,437 views
1. why is the subject of managerial economics relevant to problem of global warming?2.explain with examples why it is important
1. 2 answers
2. asked by kevin eli
3. 2,172 views
A sound source producing 1.00-{\rm kHz} waves moves toward a stationary listener atone-half the speed of sound.The frequency
1. 1 answer
2. asked by dan pogi
3. 1,837 views
An object is thrown upward at v0 from the surface of a small spherical planetoid of mass M and radius R When the object is a
1. 2 answers
2. asked by colton
3. 1,828 views
Candy worth $2.45 per pound is mixed with candy worth $2.30 per pound.How much of each kind of candy must be used to have 30
1. 1 answer
2. asked by Bella
3. 1,698 views
in a distribution of 160 values with a mean of 72,at least 120 fall within the interval 67-77. approximately what percentage of
1. 2 answers
2. asked by ellen
3. 1,439 views
Assuming that the weights of newborn babies are normally distributed with mean 6.5 pounds and standard deviation 1.2 pounds, how
1. 1 answer
2. asked by Harley
3. 1,428 views
In an intense battle, gunfire is so intense that bullets from opposite sides collide in midair. Suppose that one (with mass M=
1. 1 answer
2. asked by Casey
3. 1,341 views
Fernando is going to draw a marble from the bag, replace it, and then draw another marble. What is the probability that Fernando
1. 2 answers
2. asked by Anonymous
3. 1,330 views
Consider the combustion of liquid methanol,CH3OH (l) CH3OH (l) +3/2O2 (g) = CO2 (g) + 2H2O(l) H = -726.5 kJ What is for the
1. 0 answers
2. asked by Lisa
3. 1,278 views
A rectangular plot is 30 feet long and 20 feet wide. The area will be doubled by adding a strip at one end and another strip of
1. 1 answer
2. asked by Shannon
3. 1,256 views
Thank you very much for your help.I need you to check these sentences, please.1) He plays more sports than Keith. Will you have
1. 1 answer
2. asked by Henry2
3. 1,236 views
Example of literary and non literary prose by citing example?
1. 1 answer
2. asked by sonu
3. 1,222 views
Analyze and explain the buffer system in buffered aspirin (carboxylic acid).
1. 0 answers
2. asked by meme
3. 1,201 views
how much heat must be added to 1.0 kg of water at 100 degrees Celsius to convert it to steam at 100 degrees Celsius?i know that
1. 1 answer
2. asked by miley
3. 1,180 views
FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD(X^4-16)^5 X^3 DX
1. 1 answer
2. asked by renee
3. 1,129 views
Will the government charge high or low prices for the products? What does the government control?The government will take a look
1. 2 answers
2. asked by mary
3. 1,124 views
How do the monsoons and the mountains influence the climate in South Asia? Include in your answer an analysis of how monsoons
1. 3 answers
2. asked by Chandler
3. 1,098 views
Calculate the molar solubility of AgI in pure water.molar solubility=9.2*10^-9 M 0.14 M NaCN; Kf for Ag(CN)2- is 3.0*10^2
1. 0 answers
2. asked by Susan
3. 1,097 views
FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD�ç(X^4-16)^5 X^3 DX
1. 0 answers
2. asked by renee
3. 1,060 views
Can you please check these expressions? It's really urgent. The first set of expressions concerns husehold chores whereas the
1. 1 answer
2. asked by Henry2
3. 1,014 views
One last question for today that I need checked.What can you assume about the effective-ness of the efforts of Dutch resistance
1. 1 answer
2. asked by Court
3. 1,007 views
Weights of a certain model of fully loades gravel trucks follow a normal distrbution with mean = 6.4 tons and standard deviation
1. 1 answer
2. asked by Harley
3. 983 views
There are 5 red marbles, 8 blue marbles, and 12 green marbles in a bag.What is the theoretical probability of randomly drawing a
1. 3 answers
2. asked by KRH
3. 973 views
-1/7 divided by -4
1. 3 answers
2. asked by megan
3. 960 views
Okay, another question on the Diary Of A Young Girl by Anne Frank.In the book, Anne says this statement: "There is nothing we
1. 3 answers
2. asked by Court
3. 952 views
Which simple machine has more mechanical advantage a pulley or a inclined plane?PlEASEE HELP SUPER CONFUSED
1. 3 answers
2. asked by Jordan
3. 839 views
Question: A car is on a ramp 100m from the bottom of the ramp (angle of incline=30 degrees):a. If the potential energy of the
1. 1 answer
2. asked by Tina
3. 838 views
A 40.0 mL sample of 0.150 M Ba(OH)2 is titrated with 0.400 M HNO3. Calculate the pH after the addtion of the following volumes
1. 1 answer
2. asked by Cindy
3. 832 views
Do you think that the British influence in India was positive or negative? Explain your answer.I think that the British
1. 2 answers
2. asked by Chandler
3. 781 views
100 mL of water is already in the calorimeter. Use the density of water at 25°C (0.998 g/mL) to determine the mass
1. 1 answer
2. asked by marty
3. 771 views
Solve.y=2x - 7 3x - 4y=8
1. 1 answer
2. asked by Bella
3. 765 views
What is the concentration in normality of NAOH (19.5CM3)
1. 1 answer
2. asked by S.KALEKYE
3. 724 views
Recording federal income tax transaction and cash dividend transactions. What annual per share dividend was paid to common
1. 5 answers
2. asked by DOROTHY
3. 716 views
If the price at which x units can be sold is given by the equation p=15-4 ln x, approximate the marginal revenue when x=7.
1. 1 answer
2. asked by Mea
3. 709 views
use a number line to find the sum of the numbers.1. 3 and 5 2. -6 and 3 i don't get this
1. 4 answers
2. asked by lauren
3. 706 views
Which machines has more mechanical advantage pulley or incline plane?I asked this question before but did not quite understand
1. 2 answers
2. asked by Jordan
3. 698 views
An investment grows ar a rate of 2.5% each year compounded continuously. Approximately how long will it take the investment to
1. 1 answer
2. asked by Mea
3. 697 views
A builder constructed a house according to plans provided by the owner. The contract specified that only Reading brand pipe was
1. 1 answer
2. asked by Ana
3. 671 views
Did I properly quote this sentence?Feldman is the author from my school textbook. I am not sure if I have this part right. Do I
1. 3 answers
2. asked by Sharon
3. 668 views
I need help finding a word that means "to make greek" using "hellen" as the base
1. 1 answer
2. asked by Kay
3. 667 views
HELP HERE IS WHOLE PROBLEM.IT NEEDS TO BE JOURNALIZED PROPERLY.mAY 15-fILED THE FEDERAL INCOME TAX RETURN FOR 2009. THE TOTAL
1. 1 answer
2. asked by DOROTHY
3. 666 views
a pationt recives an injection of 1.5 milligrams of a medication, and the amount remaining in the bloodstream t hours later is
1. 0 answers
2. asked by Courtney
3. 658 views
1. A researcher is interested in comparing the effectiveness of three different kinds of therapy for anger problems. Eight
1. 2 answers
2. asked by neil
3. 658 views
Hi I need help with this What classical institutions survived the collapse of the classical civilizations and why?I just need
1. 3 answers
2. asked by Nina
3. 645 views
what stage of development is this whenever levi cries, his parents seem to satisfy him by changis his diaper, feeding him, or
1. 2 answers
2. asked by Anonymous
3. 643 views
Trigonometric Substitutiona. Explain why the substitution x = asin(Theta) guarantees that cos(Theta) is greater than or equal to
1. 1 answer
2. asked by John
3. 636 views
In an experiment similar to that done by Michelson,the frequency of rotation of the eight-sided mirror is 530 Hz. Calculate the
1. 1 answer
2. asked by michelle
3. 626 views
A 30kg block sits on a ramp, with Θ=47. The ramp is 13m off the ground at the tallest point. If the block slides in the
1. 2 answers
2. asked by Tina
3. 616 views
3) You make a solution by dissolving 3.4g Ba(OH)2 in enough water to make 450ml of salt solution.a. What is the molarity of the
1. 1 answer
2. asked by Sasha
3. 613 views
suppose each side of a square in the grid is 4 cenimeters and represents 1 meter at a the actual dig site.what the scale factor
1. 1 answer
2. asked by johnny
3. 612 views
List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person
1. 1 answer
2. asked by Anonymous
3. 609 views
Find the coordinates of the vertex of the graph y= -x^2+2
1. 1 answer
2. asked by Mia
3. 609 views
How would you interpret the messages in the poem Anne received from her father for her birthday?I read them, but don't
1. 2 answers
2. asked by Carlie
3. 605 views
A winch with a power rating of 400 W lifts a 200kg object off the ground at a constant velocity for 17 seconds. How high was the
1. 2 answers
2. asked by Tina
3. 603 views
1865: Marching through GeorgiaIn terms of supply, how was Sherman"s march different than other Civil War campaigns? What I found
1. 2 answers
2. asked by Joanne
3. 600 views
Find all relative extreme points y=x e^-x
1. 3 answers
2. asked by Anonymous
3. 598 views
A) What did President Ford do to try to ease turmoil in the United States? B) How did he try to ease tensions with other
1. 6 answers
2. asked by Cathy
3. 589 views
a car is traveling with a speed of 15 m/s on a stratight horzontal highway. the wheels of the car have a radius of 50cm.if the
1. 1 answer
2. asked by abdo
3. 580 views
if a 5microfarad capacitor is charged by a 20volts battery and it is then connected across an uncharged 20microfarad capacitor ,
1. 2 answers
2. asked by Edward
3. 572 views
How are the Oort Cloud and Kuiper Belt different from each other?
1. 0 answers
2. asked by DaniHat
3. 571 views
5x4 3/4
1. 1 answer
2. asked by alexio
3. 566 views
Alright, I am also reading Anne Frank, but I'm having trouble with the question about how Anne used humor to relieve the anxiety
1. 2 answers
2. asked by Collin
3. 562 views
When you have more pulleys does the mechanical advantage and efficiency increase or decrease?
1. 4 answers
2. asked by Jordan
3. 558 views
I really need assistance!! I am to write an equation so that I can graph it. I do not understand how to graph OR write the
1. 1 answer
2. asked by Kejo
3. 555 views
3) You make a solution by dissolving 3.4g Ba(OH)2 in enough water to make 450ml of salt solution.a. What is the molarity of the
1. 1 answer
2. asked by Sasha
3. 554 views
1. if a 0.05kg coin is hanging from 22m above the ground:a. If you drop it, how fast will the coin be moving halfway to the
1. 2 answers
2. asked by Tina
3. 554 views
FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHODX^3+X^2/3X^4+4X^3 DX
1. 0 answers
2. asked by renee
3. 552 views
After x weeks of prcatice, a student can type f(x)=80(1-e^-0.3x)words a minute. How sooon will the student be able to type 60
1. 1 answer
2. asked by Anonymous
3. 550 views
Copenhaver put pay washers and dryers in an apartment complex owned by Berryman. With four years to run on the contract,
1. 1 answer
2. asked by Ana
3. 550 views
After x weeks of prcatice, a student can type f(x)=80(1-e^-0.3x)words a minute. How sooon will the student be able to type 60
1. 3 answers
2. asked by Mea
3. 548 views
Can somebody please help me write 150 words on feedback from writpoint I"ve got this so far I think the feedback from writpoint
1. 4 answers
2. asked by carrie
3. 537 views
How would I make a 0.25M solution of sodium bisulfite?
1. 2 answers
2. asked by Talia
3. 533 views
Calculate the volume of hydrogen produced by the electrolysis of 54.0 mL of water at 27.°C and 1.3 atm, using the ideal gas
1. 1 answer
2. asked by marl
3. 528 views
how much heat would it take to raise the temperature of 52.0 grams of water from 22.0 degrees celcius to 100.0 degrees celcius
1. 1 answer
2. asked by Shelly
3. 526 views
Solve the indicated set 6 - 3x = - 31; (reals)
1. 2 answers
2. asked by Alysha
3. 522 views
by creating a committe on social welfare, the American Association of Labor Legislation helped to?
1. 1 answer
2. asked by sara
3. 520 views
The amount of background noise is important to television news reporters. One station developed the formulaN = -r^2 + 12t + 54
1. 1 answer
2. asked by candy
3. 520 views
I left out a few sentences.Thank you for your cooperation.1) Do/take an exam 2) Have a holiday/go on holiday/go to London for my
1. 1 answer
2. asked by Henry2
3. 520 views
FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD�çe^3X DX
1. 0 answers
2. asked by renee
3. 520 views
In "Some Moral Minima," Lenn Goodman argues that there are certain things that are simply wrong. Do you think Goodman is right?
1. 2 answers
2. asked by kim
3. 517 views
FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHODDX/1+5X
1. 0 answers
2. asked by renee
3. 514 views
Two trains are passing against each other.?Two trains are passing against each other. train A is going north with velocity of 47
1. 0 answers
2. asked by Anonymous
3. 512 views
find critical values for the function sqrt x^2+x-20
1. 4 answers
2. asked by a
3. 507 views
FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHODe^3X DX
1. 0 answers
2. asked by renee
3. 503 views
During the first part of a trip, a canoeist travels 68 miles at a certain speed. The canoeist travels 16 miles on the second
1. 2 answers
2. asked by Leina'ala
3. 502 views
A 2.64 L container is filled with 169 g of argon.(a) If the pressure is 10.0 atm, what is the temperature? ____K (b) If the
1. 1 answer
2. asked by Sophie
3. 496 views
For a mixture of two gases, consisting of 1.00 mol of N2 and 1.00 mol of CF4, at a total pressure is 2.04 atm, what is the
1. 1 answer
2. asked by marl
3. 496 views
In Physics, it is important to use mathemat- ical approximations. For instance, in a smallangle approximation, tan α ∼ sin α
1. 1 answer
2. asked by ryan
3. 494 views
Write in Simply form: Can you help?6x^2+13x+6/3x^2+x-2=
1. 1 answer
2. asked by Shun
3. 492 views
Supervising your staff each day and scheduling regular staff meetings are part of the_______ management approach. A. negative
1. 1 answer
2. asked by jj
3. 490 views
What happened in the civil rights movement during the 1970s?
1. 1 answer
2. asked by Cathy
3. 488 views

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