Answer
See the answer below.
Work Step by Step
The equation implies that the reaction is of first-order so:
$\ln(C/C_0)=-kt$
$\ln0.795=-13k$
$k=0.0176\ h^{-1}$
And also:
$k=0.693/t_{1/2}$
$t_{1/2}=39.3\ h$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 14 Chemical Kinetics: The Rates of Chemical Reactions - Study Questions - Page 553f: 61
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