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If `DeltaH` is the enthalpy change and `DeltaU` the change in internal energy accompanying a gaseous reaction, thenA. `Delta H` is always greater than `Delta U`B. `Delta H lt Delta U` only if the number of moles of the products is greater than the number of the reactantsC. `Delta H` is always less than `Delta U`D. `Delta H lt Delta U` only if the number of moles of the product is less than the number of moles reactants |
| Answer» Correct Answer - D | |