If DeltaH is the change in enthalpy and ...

If `DeltaH` is the change in enthalpy and `DeltaE`, the change in internal energy accompanying a gaseous reaction, then

A

`DeltaH ` is always greater than `DeltaE`

B

`DeltaH lt DeltaE` only if the number of moles of the products is greater than the number of the reactants

C

`DeltaH ` is always less than `DeltaE`

D

`DeltaH lt DeltaE` only if the number of moles of the products is less than the number of moles of the reactants

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The correct Answer is:

D

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