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Enthalpy change equal internal energy ch...

Enthalpy change equal internal energy change when

A

All the reactants and products are in solution.

B

reaction is carried out in a closed vessel.

C

number of moles of gaseous reactants and that of products is equal.

D

reaction is carried out at constant pressure.

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The correct Answer is:
A, B, C
a,b,c are correct answer. In (A), volume change is negligible while in b and c, there is no volume change.
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