(a)
Interpretation:
Activation energy and frequency factor for the given reaction has to be calculated.
Concept Introduction:
The temperature dependence of rate constant can be explained through Arrhenius equation.
Where
The logarithmic form of Arrhenius is given below.
Where,
(a)
Answer to Problem 52QRT
The activation energy is calculated as
Explanation of Solution
The activation energy can be calculated using following formula,
Given,
On substituting these values in the above equation gives the activation energy as shown below.
The activation energy is calculated as
Frequency factor can be calculated using the two given temperature.
Frequency factor calculated using
Frequency factor calculated using
Therefore the average value of frequency factor is
(b)
Interpretation:
Rate constant of the reaction at a temperature of
Concept Introduction:
Refer to part (a).
(b)
Answer to Problem 52QRT
The value of the rate constant is calculated as
Explanation of Solution
Rate constant can be calculated using Arrhenius equation.
Given,
Substituting these values gives the value of rate constant as follows,
The value of the rate constant is calculated as
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Chapter 11 Solutions
Chemistry: The Molecular Science
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