1.

If DeltaH is the change in enthylpy and DeltaU, the change in internal energy accompanying a gaseous reactant then

Answer»

`DeltaH` is always greater than `DELTAE`
`DELTA H LT DeltH` only if the NUMBER of moles of the products is greater than the number of moles of the reactants
`DeltaH` is always less than `DeltaE`
`Delta H lt Delta E` only if the number of moles of products is less than the number of moles of the reactants

Answer :D


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