Calculate the total amount of energy transfer by heat, Physics

A rigid tank primarily contains 3 kg of air at 500 kPa, 290 K. The tank is connected by a valve to a piston-cylinder assembly oriented vertically and consisting of 0.05 m³ of air initially at 200 kPa, 290 K. Even though the valve is closed, a slow leak permits air to flow into the cylinder until the tank pressure falls to 200 kPa. The weight of the piston and the pressure of the atmosphere keep a constant pressure of 200 kPa in the cylinder; and owing to heat transfer, the temperature stays constant at 290 K.  For the air, calculate the total amount of energy transfer by heat, in kJ. Assume ideal gas behavior.

Posted Date: 3/20/2013 2:47:26 AM | Location : United States







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