Q 2436312272.     For the reaction,

`A (g)+ 2 B(g) -> 2C(g) +3D( g)`

the change of enthalpy at `27^(o)C` is `19` kcal.

The value of `Delta E` is

UPSEE 2013
A

`21.2 kcal`

B

`17.8 kcal`

C

`184 kcal`

D

`20.6 kcal`

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