3.(a)Consider the first order reaction, A→ products,which has a rate constant, k = 2.95 X 103 s'. What percent of A remainsafter 150 s ?(b)The reaction, A» productsis second order in A. Initially [A]o = 1.00 M; and after 25 mins,[A] = 0.25 M. What is the rate constant for this reaction?(c)For the simple decomposition reaction, AB(g)» A(g) + B(g)the rate law is rate = k[AB]', and k = 0.2 L mol's'. How long will it takefor [AB] to reach 1/3 of its initial concentration of 1.50 M?

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which has a rate constant, k = 2.95 X 103 s. What percent of A remains after 150 s ?

Chemistry

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

3.
(a)
Consider the first order reaction, A
→ products,
which has a rate constant, k = 2.95 X 103 s'. What percent of A remains
after 150 s ?
(b)
The reaction, A
» products
is second order in A. Initially [A]o = 1.00 M; and after 25 mins,
[A] = 0.25 M. What is the rate constant for this reaction?
(c)
For the simple decomposition reaction, AB(g)
» A(g) + B(g)
the rate law is rate = k[AB]', and k = 0.2 L mol's'. How long will it take
for [AB] to reach 1/3 of its initial concentration of 1.50 M?

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