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Answer to Question #79174 in Mechanical Engineering for Usman Nadeem

Question #79174
A piston-cylinder arrangement contains 0.05 m
of air at 70 C and 500 kPa. Heat is added in
the amount of 75 kJ and work is done by a paddle-wheel until the temperature reaches 500 
C. If the pressure is held constant (hint) how much paddle-wheel work must be added to the
air? Assume constant specific heats.
Expert's answer
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