Question

Calculate the entropy change involved in conversation of 1 mole of water at 373 K to vapours at the same temperature. Latent heat of vaporation of water = 2.257 kJ g^-1.

Answer 1

k = 1.8 × 10^-7 Δ

H = 2.257 × 18 kJ = 40.626 kJ mol^-1