The Aroma from Almonds and Cherries Is Due in Part

The aroma from almonds and cherries is due in part to a compound called benzaldehyde.A graph of the natural logarithm of the vapor pressure of benzaldehyde vs.1/temperature produces a straight line with a slope of -5870.99 K.What is the enthalpy of vaporization of benzaldehyde?

A) (+473 kJ/mol)
B) (-47.3 kJ/mol)
C) (+47.3 kJ/mol)
D) (-48.8 kJ/mol)
E) (+48.8 kJ/mol)