The enthalpy of vaporization of water at 100∘ C is 40.63 kJ mol−1. Its entropy of vaporization would be:
Calculate entropy change for vaporization of 1 mole of liquid water to steam at 100∘C if ΔHv=40.8 kJ mol−1.
Enthalpy of vaporization for water is 186.5 kJ mol-1.
The entropy change during vaporization is ........ kJK-1mol-1