1.5 kg of air is initially at 200 kPa and 30°C in an expandable container. The air is heated so that it expands following the relationship PV1.2 = constant. The container also holds a fan that adds a total of 50 kJ of work to the system during the process. The pressure at the end of the process is 100 kPa.
(a) Determine the final volume of the air, the final temperature, and the amount of heat transfer during the process.
(b) Develop a computer model for this problem, and plot the final volume, the final temperature, and the amount of heat transfer during the process for final pressures ranging between 50 kPa and 190 kPa.
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