Octane Has a Vapor Pressure of 40

Multiple Choice

Octane has a vapor pressure of 40. torr at 45.1°C and 400. torr at 104.0°C. What is its heat of vaporization?

A) 39.0 kJ/mol
B) 46.0 kJ/mol
C) 590 kJ/mol
D) 710 kJ/mol
E) None of these choices are correct.