Define what is the enthalpy of vaporization of ethanol

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Question - When 25.23 g of methanol, CH3OH, froze, 4.01 kJ of heat was released. What is the enthalpy of fusion of methanol? (b) A sample of benzene was vaporized at 25 degrees C. When 37.5 kJ of heat was supplied, 95 g of the liquid benzene was vaporized. What is the enthalpy of vaporization of ethanol?

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