Question: Suppose that the gas-phase reaction 2 NO(g) + O2(g) 2 NO2(g) were carried out in a constant-volume container at constant temperature. Would the measured

Suppose that the gas-phase reaction 2 NO(g) + O2(g) → 2 NO2(g) were carried out in a constant-volume container at constant temperature. Would the measured heat change represent ΔH or ΔE? If there is a difference, which quantity is larger for this reaction? Explain.

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