Chemistry
10th Edition
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:15.5 (Pages 650-656); Watch IWE 15.8.
302 K
349 K
kJ
A reaction has a rate constant of 1.22x104 sl at
29 °C and 0.228 s
E.
141
mol
at 76 °C.
Part B
What is the value of the rate constant at 18
C ?
Express your answer in units of inverse seconds.
> View Available Hint(s)
k = 1.0 • 10
-1
ST

Transcribed Image Text:29 of 39
MISSED THIS? Read Section
I Review | Constants | Periodic Table
15.5 (Pages 650 - 656) ; Watch IWE 15.8
Express your answer in units of kilojoules per mole.
> View Available Hint(s)
A reaction has a rate constant of 1.22x104 s
29 °C and 0.228 s
at
at 76 °C
E. = 141 kJ/mol
Previous Answers
Correct
The activation energy E, is an energy barrier or hump that must be surmounted for the tactants to
be transformed into products. The activation energy was found using the following equation:
()
늦 (뉴 - 금)
(:)
R In
E.
0.2281
8.314 In
E.
1.22x10-4, 1
1 kJ
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