A rigid tank of volume 0.5 m^3 is initially evacuated.a tiny hole develops in the wall, and air from the surrounding at 1 bar , 21 degree Celsius leaks in.eventually, the pressure in the tank reaches 1 bar .the process occur slowly enough that heat transfer between the tank and the surrounding keeps the temperature of the air inside the tank constant at 21 degrees Celsius. Determine the amount of hea

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