The normal boiling point of Br2(l) is 58.8 ∘C, and its molar enthalpy of vaporization is ΔHvap = 29.6 kJ/mol.
You may want to reference(Pages 813 - 815) Section 19.2 while completing this problem.
When Br2(l) boils at its normal boiling point, does its entropy increase or decrease?
When boils at its normal boiling point, does its entropy increase or decrease?