
Interpretation:
Entropy for activation at

Explanation of Solution
Given information:
Entropy of collisions between two particles can be calculated using the formula,
Where,
Activity coefficient can be expressed as given below,
Where,
Calculation for identification of activity coefficient:
As the collision is between two identical particles, the reduced mass is
Boltzmann constant and gas constant is related as shown below,
Substituting the values in equation (2), activity coefficient can be obtained as shown below,
Activity coefficient is calculated as
Entropy of activation:
The rate constant equation can also be given as shown below by use of Eyring equation.
Substitution of the obtained values in the equation (1), entropy of activation can be calculated as shown below,
The entropy of activation during collision is calculated as
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Chapter 18 Solutions
Atkins' Physical Chemistry
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