1. Solving a chemistry problem

1. Solving a chemistry problem

4. The heat of evaporation of water at 30 C is 2427 kJ/kg, and at 20 C – 2452 kJ/kg. Estimate the average value of the molar heat capacity of water vapor in the temperature range from 20 to 30 C, if the molar heat capacity of liquid water is 75.31 J/(mol*K). Calculate the discrepancy between the obtained and tabulated value of 33.56 J/(mol*K) at constant water vapor pressure in this temperature range.

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