The Normal Boiling Temperature of Benzene, C₆H₆, Is 353

Multiple Choice

The normal boiling temperature of benzene, C₆H₆, is 353.3 K, whilst the triple point occurs at a temperature of 278.5 K and pressure of 4813 Pa. Determine the average value for the enthalpy of vaporization of benzene over this range.

A) 33.3 kJ mol^-1
B) 4.01 kJ mol^-1
C) 30.7 kJ mol^-1
D) 57.1 kJ mol^-1