Question: A 100-L well-insulated rigid tank is initially filled with nitrogen at 1000 kPa and 208C. Now a valve is opened and one-half of nitrogen's mass

A 100-L well-insulated rigid tank is initially filled with nitrogen at 1000 kPa and 208C. Now a valve is opened and one-half of nitrogen's mass is allowed to escape. Determine the change in the exergy content of the tank.

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