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What is the activation energy (KJ/mol) f...

What is the activation energy (KJ/mol) for a reaction if its rate constant doubles when the temperature is raised from 300 K to 400 K ? `(R="8.314 J mol"^(-1)"K"^(-1))`

A

`2.155 xx 10^(3) "m/s"`

B

`1.5 xx 10^(3)` m/s

C

`3.155 xx 10^(3)` m/s

D

`4.155 xx 10^(3)` m/s

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The correct Answer is:
A
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