If \( \Delta H \) is the change in enthalpy and \( \Delta E \), the change in internal energy ac...

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If \( \Delta H \) is the change in enthalpy and \( \Delta E \), the change in internal energy accompanying a gaseous reaction,
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(a) \( \Delta H \) is always greater than \( \Delta E \)
(b) \( \Delta H\Delta E \) only if the number of moles of the products is greater than the number of moles of the reactants
(c) \( \Delta H \) is always less than \( \Delta E \)
(d) \( \Delta H\Delta E \) only if the number of moles of products is less than the number of moles of the reactants.
(1990)
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