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In which of the following cases Delta H ...

In which of the following cases `Delta H and DeltaU` are not equal to each other?

A

The reaction involves no gaseous reactant and product

B

The number of mole of gaseous reactants and gaseous products are not equal to each other

C

The number of mole of gaseous reactants and gaseous products are equal to each other

D

The process is carried out in closed vessel

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If `Delta n _(g) = 0` then onle `Delta H = Delta U`
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