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N(2(g))+3H(2(g))hArr2NH(3)(g)+22k.cal. ...

`N_(2(g))+3H_(2(g))hArr2NH_(3)(g)+22k.cal`.
The activation energy for the forward reaction is 50 k. cal What is the activation energy for the backward reaction ?

A

`-72` k.cal

B

`-28` k. cal

C

`+28` k.cal

D

`+72`k.cal

Text Solution

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The correct Answer is:
D
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