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A reaction has a rate constant k=8.54 xx...

A reaction has a rate constant `k=8.54 xx 10^(-4)M s^(-1)` at `45^(@)` C and an activation energy, `E_(a)=90.8KJ` . What is the value of K at `25^(@)` C?

A

`4.46 xx 10^(-5)M^(-1)s^(-1)`

B

`8.54 xx 10^(-5)M^(-1)s^(-1)`

C

`4.46 xx 10^(-4)M^(-1)s^(-1)`

D

`8.54 xx 10^(-4)M^(-1)s^(-1)`

Text Solution

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The correct Answer is:
B
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