One mole of liquid water at 100°C is heated until the liquid is converted entirely to vapor at 100°C and 1 bar pressure. Calculate q, w, AU, and AH for each of the following: a. The vaporization is carried out in a cylinder where the external pressure on the piston is maintained at 1 bar throughout. b. The cylinder is first expanded against a vacuum (Pex = 0) to the same volume as in part (a), and then sufficient heat is added to vaporize the liquid completely to 1 bar

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11. One mole of liquid water at 100°C is heated until the liquid
is converted entirely to vapor at 100°C and 1 bar pressure.
Calculate q, w, AU, and AH for each of the following:
a. The vaporization is carried out in a cylinder where the
external pressure on the piston is maintained at 1 bar
throughout.
b. The cylinder is first expanded against a vacuum (Pex
to the same volume as in part (a), and then sufficient
heat is added to vaporize the liquid completely to 1 bar
pressure.
=
0)
Transcribed Image Text:11. One mole of liquid water at 100°C is heated until the liquid is converted entirely to vapor at 100°C and 1 bar pressure. Calculate q, w, AU, and AH for each of the following: a. The vaporization is carried out in a cylinder where the external pressure on the piston is maintained at 1 bar throughout. b. The cylinder is first expanded against a vacuum (Pex to the same volume as in part (a), and then sufficient heat is added to vaporize the liquid completely to 1 bar pressure. = 0)
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