For a chemical reaction,when does Delta H = D | vedclass

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Question

(B) The relationship between enthalpy change and internal energy change is given by $\Delta H = \Delta U + \Delta n_{(g)}RT$. For $\Delta H = \Delta U

Vedclass · Accepted Answer

When $\Delta n_{(g)} = 0$

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(B) The relationship between enthalpy change and internal energy change is given by $\Delta H = \Delta U + \Delta n_{(g)}RT$. For $\Delta H = \Delta U$ to hold true,the term $\Delta n_{(g)}RT$ must be equal to $0$. Since $R$ (gas constant) and $T$ (temperature) are non-zero,this implies $\Delta n_{(g)} = 0$.

For a chemical reaction,when does $\Delta H = \Delta U$ occur?

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