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When 92.0 g of ethanol (C2H5OH) are vaporized at its boiling point of 78.3ºC, it requires 78.6 kJ of energy....
When 92.0 g of ethanol (C2H5OH) are vaporized at its boiling point of 78.3ºC, it requires 78.6 kJ of energy. What is the approximate molar heat of vaporization of ethanol in kJ/mol?