We are asked which of the given situations would have ΔH = ΔE :
Recall that ΔH is related to ΔE by the following equation:
ΔH = ΔE when:
A. 2NH3(g) goes from 225 °C to 120 °C at constant pressure.
B. Liquid water goes to water vapor at some temperature and pressure
C. 2 moles of hydrogen iodide gas in a 40 L container produce hydrogen gas and iodine gas
D. None of the above