Asked by bob
Calculate the total amount of heat released in units of kilojoules when 25.8 g of ethanol vapor (C2H5OH) at 92.0◦C is cooled to -10.0◦ C. The molar heat capacities of ethanol vapor and liquid ethanol are 65.6 J/◦C.mol and 112.3 J/◦C.mol. The boiling point of ethanol is 78.0 C, the freezing point of ethanol is -112.6 C, the enthalpy of vaporization (∆Hvap) of ethanol is 37.4 kJ /mol and the enthalpy of fusion (∆Hfus) of ethanol is 5.02 kJ/mol.
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Answered by
bobpursley
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