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A rigid, insulated vessel is divided into two compartments connected by a valve. Initially, one compartment, occupying one third of the total volume, contains air at 500 degrees R, and the other is evacuated. The valve is opened and the air is allowed to fill the entire volume. Assuming the ideal gas model, determine the final temperature of the air, in degree R, and the amount of entropy produced in Btu/degree R per lob of air
1. a rigid tank that is initially evacuated is connected through a valve to a supply line that carries air at 200kpa
Assume the same eight features are used to assess quality
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