Question

The entropy change involved in the conversion of 1 mole of liquid water at 373 K to vapour at the same temperature will be:
A. 0.119 kJ/g
B. 0.109 kJ/g
C. 0.129 kJ/g
D. 0.120 kJ/g

Answer 1

Correct Answer - B
`DeltaS=(DeltaH_("vap"))/(T)=(2.257)/(373)=0.109kJ//g`