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A tank of volume 12m^3 is initially filled with air at 22deg and 100 kPa, a vacuum pump slowly removes air from the tank is fully evacuated. the tank is not insulated, so heat exchange is possible. During the process, the contents of the tank remain at a constant temperature. The pump exhausts the air to the surroundings, which are also at 22deg and 100kPa. Determine the minimum possible work for the process. Include the pump and the tank in your control volume, for system analysis.
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