It was determined that the normal boiling point of a compound was 183.5°C. When the boiling point was measured at 300 mmHg, it was a 136.8°C. What is the heat of vaporization (kJ/mol) of this compound?
a. 31.0 KJ/mol
b. 56.7 KJ/mol
c. 93.9 KJ/mol
d. 145 KJ/mol
e. 188 KJ/mol
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