The rate constant for the reaction H2(g) + I2(g) ---> 2HI(g)  is 5.4 x 10-4 M-1 s -1 at 326 oC. At 410 oC the rate constant was found to be 2.8 x 10-2 M-1 s -1 .  Calculate the a) activation energy and b) high temperature limiting rate constant for this reaction.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter18: Chemical Kinetics
Section: Chapter Questions
Problem 23P
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The rate constant for the reaction

H2(g) + I2(g) ---> 2HI(g)

 is 5.4 x 10-4 M-1 s -1 at 326 oC. At 410 oC the rate constant was found to be 2.8 x 10-2 M-1 s -1 .

 Calculate the a) activation energy and b) high temperature limiting rate constant for this reaction.

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