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How much energy in kilojoules is released when 24.2g of ethanol vapor at 86.0C is cooled to -21.0C? Ethanol has mp=114.1C mp=114.1C, bp=78.3C, Hvap=38.56kJ/mol, and
How much energy in kilojoules is released when 24.2g of ethanol vapor at 86.0C is cooled to -21.0C? Ethanol has mp=114.1C mp=114.1C, bp=78.3C, Hvap=38.56kJ/mol, and Hfusion=4.93kJ/mol. The molar heat capacity is 112.3 J/(Kmol)J/(Kmol) for the liquid and 65.6 J/(Kmol)J/(Kmol) for the vapor.
Express your answer in kilojoules to three significant figures.
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