1) The half-life for a first-order reaction, A→B is 7.75 s. If the initial [A] is 0.75 M, how long will it take for [A] to reach 0.60 M.

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
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1) The half-life for a first-order reaction,

A→B

is 7.75 s. If the initial [A] is 0.75 M, how long will it take for [A] to reach 0.60 M.

 

2) The decomposition of O3 is a second order reaction with a rate constant of 50.5 M hr-1.

2O3(g)→3O2(g)

What is the half-life for the decomposition of O3 when the concentration of O3 is 5.609 x 10-6 M?

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