For a gaseous reaction where the number of product moles exactly equals the number of reactant moles (), which of the following holds true at constant temperature?

Question

For a gaseous reaction where the number of product moles exactly equals the number of reactant moles ($\Delta n_g = 0$), which of the following holds true at constant temperature?

Prashant Kotian · Accepted Answer

Correct answer: C. The relationship between enthalpy and internal energy is . If there is no net change in the number of moles of gas (), the expansion work term drops out, leaving .

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