The isomerization reaction CH;NC » CH;CN obeys the first-order rate law rate = -k[CH;NC] in the presence of an excess of argon. Measurements at 500 K reveal that in 520 s the concentration of CH;NC decreases to 71% of its original value. Calculate the rate constant k of the reaction at 500 K.

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 5ALQ: Consider the following statements: In general, the rate of a chemical reaction increases a bit at...
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The isomerization reaction
CH;NC » CH;CN
obeys the first-order rate law
rate = -k[CH;NC]
in the presence of an excess of argon. Measurements at
500 K reveal that in 520 s the concentration of CH;NC
decreases to 71% of its original value. Calculate the rate
constant k of the reaction at 500 K.
Transcribed Image Text:The isomerization reaction CH;NC » CH;CN obeys the first-order rate law rate = -k[CH;NC] in the presence of an excess of argon. Measurements at 500 K reveal that in 520 s the concentration of CH;NC decreases to 71% of its original value. Calculate the rate constant k of the reaction at 500 K.
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