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A system at equilibrium is placed under stress by adding more reactant. If this reaction has a small equilibrium constant (Keq), how will the addition of this stress affect the equilibrium of this system?

Which of the following is the correct expression for the rate of the following reaction? Note: not all species are gaseous.
CuO(s) + H2S (g) <> Cu(s) + H2O (g)

Which for the following is considered a weak base?
A. Lithium hydroxide
B. Sodium hydroxide
C. Calcium hydroxide
D. Aluminum hydroxide
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Iron59 has a halflife of 45.1 days. How old is an iron nail if the Fe59 content is 25% that of a new sample of iron? Show all calculations leading to a solution.

A radioactive nucleus alpha decays to yield a sodium24 nucleus in 14.8 hours. What was the identity of the original nucleus? Show the nuclear equation that leads you to this answer.

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Why must the number of electrons lost equal the number of electrons gained in every redox reaction? Use 4 – 5 sentences to address this question.

At a pressure 47 kPa, the gas in a cylinder has a volume of 12 liters. Assuming temperature remains the same, if the volume of the gas is decreased to 8 liters, what is the new pressure?

Dynamic equilibrium problem?

Rate of reactions problem?

Using at least 3 to 4 complete content related sentences, explain how the compressed gas in an aerosol can forces paint out of the can?

1. If the pH of a solution is ….. the solution is basic.
a. 2 b. 5 c. 7 d. 10
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#y= 3x^2 4x + 6# What are the vertex, axis of symmetry, maximum or minimum value, and range? Can someone help me please? Thanks!

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Is the relation {(3, 5), (–4, 5), (–5, 0), (1, 1), (4, 0)} a function? Explain.

Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term.
3x5 + 9x4 + 5x3 + 3 ?

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A manufacturer of shipping boxes has a box shaped like a cube. The side length is
(5a + 4b). What is the volume of the box in terms of a and b?

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Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term.
#3x^5 + 9x^4 + 5x^3 + 3#

Evaluate #sqrt7(sqrtx  7sqrt7)# ?

Find a quadratic model for the set of values: (2, 20), (0, 4), (4, 20)? Show your work.

Volume of a cylinder. Can I get some help please? I've been trying for almost an hour and I can't find a good answer. Thanks a lot!

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A manufacturer of shipping boxes has a box shaped like a cube. The side length is
(5a + 4b). What is the volume of the box in terms of a and b? Show your work.

If a function, f(x) is shifted to the left four units, what will the transformed function look like?

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Oh, can I finally get some help with finding percentiles please? Thanks!

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Can someone help me solve this trigonometric expression please? Thanks!

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How to find the angle of elevation of the kite?

I've been struggling in this sound wave question for more than 30min, can someone help me please?

Can someone help me with percentiles please?

Compare the graphs of the inverse variations.?

How do I use a graphing calculator to solve #3cost=1#.? Thank you in advance :)

Use the graph of the sine function. Can someone help me with it?

Can someone help me with this US Government & Economics? Thanks!

Can someone help me answer this question about homeland security? Thank you!

Can someone help me answer this question about developed countries? Check the picture. Thanks!~

Can someone help me answer this question about Soviet Union and China? Thank you!

Can someone help me answer this question about the affect of resources and technology? Thank you!

Can someone help me answer this question about "Flat tax"? I didn't understand it but now I have homework about it. Can I get some help please? Thanks!

Can someone help me with this question about President Roosevalt's proposal? Thank you very much!

Can someone help me with this question about political parties? Thank you! Have a great night :)

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Can someone help me answer this question about the former Vice President John Nance Garner? Thank you!

The question is about President Roosevelt's proposal. Can I get some help please? Thanks!

This question is about political parties. Can someone help me out please? Thanks!

Can someone help me answer this question about melting of crystalline solids? Thanks!

Can someone help me solve this system of equation? Solve for C. Thanks!

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