Methane Has a Heat of Fusion of 0

Multiple Choice

Methane has a heat of fusion of 0.84 kJ/mol and a heat of vaporization of 9.2 kJ/mol. Estimate the value for the heat of sublimation.

A) 12.0 kJ/mol
B) 11.0 kJ/mol
C) 10.0 kJ/mol
D) 9.00 kJ/mol
E) 8.00 kJ/mol