A. The reaction A ==> products has a rate constant of 0.022 M-1s-1. After 18 s, the concentration of A was 0.556M. What was the initial concentration of A? (Hint: determine the order of the reaction first) Initial concentration of A = B. The reaction A ==> products is first order and has a half-life of 22.3 hours. If the initial concentration of A is 0.185M, how long will it be until the concentration is 0.055M? Time =

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 98CWP: A certain reaction has the form aAProducts At a particular temperature, concentration versus time...
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A. The reaction A ==> products has a rate constant of 0.022 M-1s-1. After 18 s, the concentration of A was 0.556M. What was the initial concentration of A? (Hint: determine the order of the reaction first)

Initial concentration of A =
B. The reaction A ==> products is first order and has a half-life of 22.3 hours. If the initial concentration of A is
0.185M, how long will it be until the concentration is 0.055M? Time =

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