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What is the activation energy for a reac...

What is the activation energy for a reaction if its rate double when the temperature raised from `20^@C` to `35^@C` ? `(R=8.314J//mol//K)`

A

`34.7kJ//mol `

B

`15.1kJ//mol `

C

`342 kJ//mol`

D

`269kJ//mol `

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The correct Answer is:
A
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