Heat of Vaporization 04
Channel: Professor Heath's Chemistry Channel
Date: 2012-03-05

The following information is given for ethanol (C2H5OH) at 1 atm: 
bp = 78 °C
∆Hvap = 200 cal/g
mp = -114 °C
∆Hfus = 26.0 cal/g
How many calories are needed to vaporize 47.2 g sample at its normal boiling point of 78 °C?