Calculate the rate constant, ?, for a reaction at 69.0°C that has an activation energy of 81.5 kJ/mol and a frequency factor of 5.23×10 11 s−1.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter30: Kinetic Methods Of Analysis
Section: Chapter Questions
Problem 30.7QAP
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Calculate the rate constant, ?, for a reaction at 69.0°C that has an activation energy of 81.5 kJ/mol and a frequency factor of 5.23×10 11 s−1.

k= _____________ 

 

(Answer in J not Kj)

Expert Solution
Required Formula

According to activated transition state theory, the rate of a reaction is given by the Arrhenius equation:

rate, k=A e-EaRT

Where k=rate constant

A=Pre-exponential factor or frequency factor

Ea=Activation energy

R=Universal gas constant =8.314 JK-1mol-1

T=temperature in kelvin (K)

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