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2010
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Questions Asked on July 1, 2010

Calculate Delta H for 4NH3 + 5O2 --> 4NO + 6H2Ousing: N2 +O2 --> 2NO DH= -180.5 kJ N2 + 3H2 --> 2NH3 DH= -91.8 kJ 2H2 + O2 -->
1. 2 answers
2. asked by Taylor
3. 10,881 views
A stone is dropped from the top of a cliff. The splash it makes when striking the water below is heard 3.5 s later. How high is
1. 4 answers
2. asked by Gary
3. 7,540 views
A conservative is opposed to government intervention in:a)both the economic and social sphere b)the economic sphere,but not the
1. 2 answers
2. asked by vedrana
3. 3,661 views
Write the chemical formulas for the compounds containing each of the following: a) one calcium atom for every two iodide atoms.
1. 1 answer
2. asked by Melissa
3. 2,748 views
I have to edit the following sentences to untangle mixed constructions. Here is the list of five and my corrections below them.1
1. 2 answers
2. asked by Roger
3. 2,283 views
I have a 45-45 special right triangle who's hypotenuse is 12, how do I find the other two side lengths?
1. 2 answers
2. asked by Ana
3. 2,116 views
assuming the density of a 5% acetic acid solution is 1.0 g/mL, determine the volume of the acetic acid solution necessary to
1. 1 answer
2. asked by Thaddeus
3. 1,705 views
If a man leans over a cliff and throws a rock upward at 4.9 m/s. Neglecting air resistance, what is the rock's speed one second
1. 3 answers
2. asked by Gwen
3. 1,275 views
Jan borrowed $1,200 at 11.5% interest for three months. How muchdoes she have to repay under a single-payment plan?
1. 4 answers
2. asked by gabe
3. 1,218 views
Using the major League Baseball Data set available through the "Data Sets" lin in the materials section, answer the research
1. 0 answers
2. asked by Melissa
3. 1,123 views
Using Planck’s constant as h = 6.63 E-34 J*s, what is the wavelength of a proton with a speed of 5.00 E6 m/s? The mass of a
1. 1 answer
2. asked by Haley
3. 1,120 views
if cot theta =7/8 , evaluate (1+sin^2theta)(1-sin^2theta)/(1+cost^2theta)(1+co-^2theta)the answer should be 49/64 but i couldn't
1. 2 answers
2. asked by rani
3. 1,116 views
On January 2, 2006, Grant Corporation leases an asset to Pippin Corporation under the following conditions:1. Annual lease
1. 0 answers
2. asked by LILIANA
3. 1,060 views
how do you solve the following questions using the substitution method?-3x-y=3 3x+6y=48 -3x-5y=-21 -5x+6y=32 2x+4y=12 4x+16y=8
1. 1 answer
2. asked by no one needs to know
3. 1,058 views
Hello, we recently did a lab in our chemistry class to analyze an Unknown amount Calcium Carbonate which was titrated with EDTA.
1. 2 answers
2. asked by Anna
3. 1,041 views
Suppose that the demand curve for beans is given by:Q=20-P Where Q is thousands of pounds of beans bought per week and P is the
1. 1 answer
2. asked by Mishal Almandhour
3. 1,029 views
Diameter of a circle.If the diameter of a circle is 1.3x10^-12 meters,then what is it's radius?
1. 2 answers
2. asked by Lisa
3. 1,016 views
WHat is the accepted equilibrium constant for ferric thiocyanate [FeSCN2+]? I can't find a reliable number anywhere.Thanks in
1. 0 answers
2. asked by CHeem
3. 1,006 views
Discuss the law of supply and demand. Do people follow this law? Why or why not? Provide specific examples. How are the prices
1. 1 answer
2. asked by Anonymous
3. 997 views
what are examples of conditioned stimuli, unconditioned stimuli, conditioned response, and unconditioned response?
1. 2 answers
2. asked by denise
3. 994 views
You shoot an arrow into the air. Two seconds later (2.00 {\rm s}) the arrow has gone straight upward to a height of 32.0 m above
1. 1 answer
2. asked by Todd
3. 979 views
If a ball is thrown into the air with a velocity ofc 40ft/s,its height in feet after t seconds is given by y=40t-16t^2. Find the
1. 1 answer
2. asked by Eileen
3. 952 views
in a vacuum the coloured particles of potassium manganate(vii)would move very quickly in water. why would it move slow at room
1. 1 answer
2. asked by Mary
3. 889 views
1. I'd better get going.(What is the meaning of 'get going'? What other expressions can we use?)
1. 1 answer
2. asked by rfvv
3. 852 views
Find the balance in Myra's account after 1 year if her bankpaid 5.75% simple interest on her deposit of $6,000
1. 1 answer
2. asked by ange
3. 843 views
A 1 1/2-pound piece of turkey costs $7.98. A 6-ounce package of thesame sliced turkey costs $2.49. What is the difference in
1. 1 answer
2. asked by angelika
3. 835 views
for a strict triangular form, does it has to be in I matrice or just the main diagonal entries are all 1]\
1. 1 answer
2. asked by eng
3. 833 views
Find the general antiderivative of f (x) and check your answer by differentiating.f(x) = x^5 + 9 Need Help.
1. 1 answer
2. asked by Jason
3. 786 views
Public opinion is ordinarily used in reference to whole society.This perspective is:a)accurate,since Americans are one people
1. 1 answer
2. asked by vedrana
3. 785 views
Write the chemical formulas for the compounds containing each of the following: a) one calcium atom for every two iodide atoms.
1. 1 answer
2. asked by Melissa
3. 769 views
find the last digit in 3^9999.
1. 1 answer
2. asked by Branden
3. 760 views
In a Gallup poll of 1038 adults, 540 said that second-hand smoke is very harmful. What is the percentage of adults who said
1. 2 answers
2. asked by Anonymous
3. 760 views
Can you give me some websites to study for 3rd grade is these areas? Social Studies,English Language Arts, Math,Science
1. 2 answers
2. asked by ☻ Vanessa Sarafina ☻
3. 744 views
Ideological groups are distinct from single issue groups ina. the number of issues with which they are concerned. b. the
1. 4 answers
2. asked by vedrana
3. 720 views
I have to do a lesson plan on diversity for my class and im not sure what kind of lesson plan to do and i cant find any websites
1. 5 answers
2. asked by karrie
3. 705 views
Classes have also started at music school now. I go twice a week for piano. I'm continuing my tennis lessons. Oh yes, I've been
1. 1 answer
2. asked by rfvv
3. 694 views
You shoot an arrow into the air. Two seconds later (2.00 {\rm s}) the arrow has gone straight upward to a height of 32.0 m above
1. 1 answer
2. asked by Todd
3. 686 views
x+3=-(2x+2)
1. 1 answer
2. asked by lisa
3. 685 views
You shoot an arrow into the air. Two seconds later (2.00 {\rm s}) the arrow has gone straight upward to a height of 32.0 m above
1. 1 answer
2. asked by Todd
3. 675 views
How do you convert a number to whatever base it indicates? For example: convert 252 base six to base five. I have tried posting
1. 3 answers
2. asked by Heather
3. 673 views
For children who are learning English as a second language. context-embedded activities enhance?
1. 5 answers
2. asked by D
3. 673 views
Explain the relationship between product X, product Y and product Z or the properties of each according to the following
1. 2 answers
2. asked by Mishal Almandhour
3. 668 views
If you were balancing a chemical equation that contained the substance sodium nitrate, NaNO3, composed of a sodium ion, Na+1,
1. 1 answer
2. asked by Liz
3. 666 views
The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom. The diameter of the atom is
1. 0 answers
2. asked by Richard
3. 658 views
A runner dashes from the starting line (x = 0) to a point 80 m away and then turns around and runs to a point 39 m away from the
1. 2 answers
2. asked by Anonymous
3. 652 views
o Is it difficult to accurately measure prejudice? Why or why not?
1. 1 answer
2. asked by isha nix
3. 651 views
An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. A parallel-plate capacitor
1. 1 answer
2. asked by Drew
3. 645 views
differentiate the function R(x)=sqrt(10)/x^7
1. 1 answer
2. asked by Eileen
3. 637 views
two equally charged plates with finite length l is positioned side by side (parallel) and separated by distance d. what is the
1. 1 answer
2. asked by alex
3. 635 views
What is use to measure central tendency in healthcare?
1. 1 answer
2. asked by Anonymous
3. 632 views
(root2 + root3)^2 simplify
1. 1 answer
2. asked by Adeola
3. 625 views
consider a solid metal ball with radius r and charge q. what is the electric field intensity at the center, anywhere inside the
1. 1 answer
2. asked by alex
3. 624 views
Which sentence below contains a dangling modifier?Finding a place to sleep, the bed was comfortable. The bed was a comfortable
1. 2 answers
2. asked by Anonymous
3. 616 views
Can anyone help me with this, i spent 1 hour trying to search this on google but nothing pops up. This is about self monitoring
1. 2 answers
2. asked by flame
3. 614 views
The Landis Corporation had 2008 sales of $100 million. The balance sheet items that vary directly with sales and the profit
1. 0 answers
2. asked by Hollie
3. 609 views
I need to describe what the graph of interval [-4, 10] looks like.I have a really hard time explaining math in words.
1. 1 answer
2. asked by C.J
3. 603 views
Evaluate the indefinite integral. (Use theta for ƒÆ.)�ç(8ƒÆ + cos(7ƒÆ))dƒÆ Ans: blank + C C is constant. How do I
1. 0 answers
2. asked by Jason
3. 600 views
You are the supervisor for a large technology-based corporation. One of your subordinate managers, Carly, is heading up a
1. 0 answers
2. asked by mee
3. 590 views
I still have a last question:In the reading comprehension the sentence is " When we went to complain to the travel agency, as a
1. 2 answers
2. asked by Franco
3. 589 views
Find those values of x at which the tangent line is horizontal to the curvey=xsqrt2-2cosx
1. 3 answers
2. asked by Eileen
3. 583 views
Use the following table of values to estimate the area under the graph of f(x) over [0, 1] by computing the average of R5 and
1. 0 answers
2. asked by Jason
3. 581 views
How do I find the normals to the curvexy+ 2x - y = 0 that are parallel to the line 2x + y = 0
1. 1 answer
2. asked by John
3. 575 views
Explain how the following events might affect the market demand curve for prime filet mignona. A fall in price of filet mignon
1. 1 answer
2. asked by Mishal Almandhour
3. 572 views
Describe alpha, beta, and gamma rays. What exactly is each ray composed of? What are their characteristic radiation
1. 1 answer
2. asked by Richard
3. 572 views
How is doing operations—adding, subtracting, multiplying, and dividing—with rational expressions similar to or different
1. 1 answer
2. asked by Anonymous
3. 566 views
Can you tell me if it is correct to divide the two sentences this way?We really liked those places. Unfortunately, we didn't
1. 1 answer
2. asked by Franco
3. 560 views
Campaign spending tends to be greatly more important:a)for Republican candidates b)for Democratic candidates c)for candidates in
1. 3 answers
2. asked by vedrana
3. 554 views
how to solve this problem. Completing the square. Find the value of a such that u^2-8u+a is a perfect square
1. 2 answers
2. asked by CJ
3. 553 views
Can you please tell me if I can include these questions (as they are) in a reading comprehension?Was the hotel in Mexico City as
1. 2 answers
2. asked by Franco
3. 552 views
Could you please check the grammar in these sentences? Thanks.It was clearly her, right from the start. These are they, if I'm
1. 1 answer
2. asked by Jake
3. 533 views
yellow journalism, explain how the media may or may not influence American foreign policy? Basically, what affect can the media
1. 1 answer
2. asked by Amanda
3. 532 views
Diffentiate the function F(x)=(1/2x)^5My answer is 5/2x^4. The book says 5/32x^4. what am I doing wrong?
1. 1 answer
2. asked by Eileen
3. 530 views
How many calories would be required to raise the temperature of 25.0 g of lead by 55.0 degree Celcius?
1. 1 answer
2. asked by CMR
3. 518 views
An irregularly shaped object has a mass of 67.5 If it is places into a graduated cylinder containing 50.0 ml water and the water
1. 2 answers
2. asked by Anonymous
3. 517 views
Find all integer roots of f(x). Identify any double roots.f(x) = 2x4 + 11x3 + 13x2 - 11x - 15
1. 1 answer
2. asked by Taylor
3. 517 views
We are told that the magnitude of the negative charge on the electron is exactly equal to the magnitude of the postive charge on
1. 0 answers
2. asked by naveel
3. 513 views
In reference to high blood pressure-as a result in changes in the PNS and the SNS list two effects on the heart and one on blood
1. 0 answers
2. asked by tina
3. 511 views
what general statement about the conditions necessary about enzyme-catalysed reactions can be written as a result of the
1. 0 answers
2. asked by Mary
3. 508 views
Thank you very much for your correction. Can you tell if this sentence is possible?1) We really liked those places but
1. 1 answer
2. asked by Franco
3. 505 views
Find all integer roots of f(x). Identify any double roots.f(x) = 3x4 - 16x3 + 31x2 - 26x + 8
1. 1 answer
2. asked by Taylor
3. 503 views
carts of a roller coaster are travelling 5m/s over the top of the first hill. If there is no energy loss due to friction and the
1. 1 answer
2. asked by seth
3. 498 views
The values 2.0, 3.7, 4.9, 5.0, 5.7, 6.7, 8.5, and 9.0What is the median? 5.7 what is the mean?5.4 What is the mode?0 What is the
1. 1 answer
2. asked by Anonymous
3. 498 views
A certain freely failing object requires 1.70 s to travel the last 20.5 m before it hits the ground. From what height above the
1. 2 answers
2. asked by AMY
3. 489 views
I really need to know if these sentences are OK. Thank youin advance.1)What did the tour include? It included flights, full
1. 1 answer
2. asked by Franco
3. 485 views
How can i factor27a^2 - 75b^2
1. 1 answer
2. asked by Adeola
3. 485 views
Obviously, the police will use force if you do not cooperate.Is this grammatically correct? I need to write a sentence to show
1. 3 answers
2. asked by Molly
3. 480 views
How do I find the normals to the curvexy+ 2x - y = 0 that are parallel to the line 2x + y = 0
1. 0 answers
2. asked by John
3. 479 views
Would anyone consider the inauguration of a president a movement, trend, or activities in economics?
1. 1 answer
2. asked by Amy~
3. 479 views
Find the Limitlim as t approaches 1 of (t^3+5t^2-13t+7)/(t^3-3t+2)
1. 1 answer
2. asked by Kelly
3. 461 views
This sentence:Without fully understanding the company's objectives. Should I use understand or understanding?
1. 1 answer
2. asked by Anonymous
3. 461 views
what is the result if an enzyme reacts with crushed tissues?
1. 0 answers
2. asked by Mary
3. 458 views
Differentiate the function f(t)=1/4(t^4+8). My answer wa 4t^3. The book says t^3. What am I doing wrong,
1. 0 answers
2. asked by Eileen
3. 457 views
carts of a roller coaster are travelling 5m/s over the top of the first hill. If there is no energy loss due to friction and the
1. 0 answers
2. asked by seth
3. 456 views
2. Decide whether the following product is normal, inferior, or luxury. Explain how you can find that?a. Income increases by 20%
1. 1 answer
2. asked by Mishal Almandhour
3. 449 views
lim x infnitive (4x-1/2x+9)
1. 2 answers
2. asked by ABC
3. 447 views
How to phrase this sentence in a better way?"This is to ensure stable and high level performance in the branch¡¯s developing
1. 1 answer
2. asked by B.
3. 443 views
1. Calculate the demand elasticity of demand ( by using at least two methods) given the following information:P1 = 10 Q1=100 P2
1. 1 answer
2. asked by Mishal Almandhour
3. 432 views
express the distance of the earth from the sun using exponential notation
1. 1 answer
2. asked by grade 5 student
3. 431 views
how many grams of mgcl2 are contained in 255 ml of a 0.650M solutuin
1. 1 answer
2. asked by ngugi
3. 413 views
The informant, who will not be named, called in a tip last night informing police officers about an attempted robbery.The cold,
1. 1 answer
2. asked by Kristin
3. 412 views

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