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  3. 3 03 a closed system contains air its mass is m 2

3 03 A closed system contains air its mass is m 2 kg The initial...

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3 03 A closed system contains air its mass is m 2 kg The initial state is p 0 25 MPa and T 30 C It undergoes a constant pressure process with heat addition of Q12 450 kJ Compute the final temperature T2 change in enthalpy AH12 change in thermal energy AU12 and work done W 2 Assume air to be an ideal gas with MolWt 29 kg kmol and c 0 714 kJ kg K

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