13. Liquids, Solids & Intermolecular Forces

Vapor pressure measurements at various temperature values are given below. Determine the molar heat of vaporization for cyclohexane.

Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1°C. At what temperature does benzene boil when the external pressure is 405 torr?

Which of the temperatures below is most likely to be the boiling point of water at 880 torr?