12. Solution to Chemistry Problem

12. Solution to Chemistry Problem

18. The heat of condensation of ethyl alcohol at 15 C is -27.62 kJ/mol. The average specific heat capacities of liquid alcohol and its vapor in the range from 0 to 78 C are 2.418 and 1.597 J/(g*K), respectively. Determine the amount of heat required to evaporate 500 g of alcohol at 60 C.

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