Question: 7 . 2 0 WP Consider 1 0 0 kg of steam initially at 2 0 bar and 2 4 0 C as the system.

7.20 WP Consider 100 kg of steam initially at 20 bar and 240C as the system. Determine the change in exergy, in kJ , for each of the following processes:
a. The system is heated at constant pressure until its volume doubles.
b. The system expands isothermally until its volume doubles.
Let TO=20C,pO=1bar and ignore the effects of motion and gravity.
7 . 2 0 WP Consider 1 0 0 kg of steam initially

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