The normal boiling point of methanol (CH3OH) is 64.7oC, and its molar enthalpy of vaporization is ?Hvap = 71.8 kJ/mol.
(a) When CH3OH(l) boils at its normal boiling point, does its entropy increase (+) or decrease (-)? Use the (+) or (-) in the box.
(b) What is the entropy change?