Question
State a chemical reaction in which $\Delta\text{H}$ and $\Delta\text{U}$ are equal.
✓
Answer
H2(g) + I2(g) → 2HI(g) Since $\Delta\text{n}=0,\ \therefore\Delta\text{H}=\Delta\text{U}.$
$\because$ Number of moles of gaseous reactants and products are equal.
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