Given the following thermochemical equations: (i) 2H₂(g) + O₂(g) → 2H₂O(l) ΔH = −571.6 kJ; (ii) 2H₂(g) + O₂(g) → 2H₂O(g) ΔH = −483.6 kJ. Calculate the enthalpy of vaporization (heat required to vaporize 1 mole) of water.
University of Ilorin CHM101 2026-test past question
- −44.0 kJ
- −88.0 kJ
- +88.0 kJ
- +44.0 kJ
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