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13 Dec 2019

The system consists of 3.60 g of H2O in a diathermic cylinder sealed from the outside by a freely movable massless piston. In the initial state, the system is completely in the vapor phase, H2O (g), at 100. o C and 1.00 atm and is in equilibrium with the surroundings. In the final state, as a result of transferring heat away from the cylinder, the system is completely in the liquid phase, H2O (l), at 100.o C and 1.00 atm. Calculate the compression work, w, (in Joules with three significant figures) associated with the complete condensation process of 3.60 g of water vapor at 100.o C and 1.00 atm. In this question, you will assume the final volume of 3.60 g of water liquid at 100.o C and 1.00 atm to be zero in your calculations. To calculate the volume of vapor, you can again assume that water vapor behaves as an ideal gas. How do the results obtained in Questions 1 and 2 compare? What can you conclude from this comparison?

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