Property table-polytropic process

Air contained in a piston-cylinder arrangement, initially at 5 bar and 450 K, undergoes a process to a final temperature of 350 K. The pressure-volume relation is given by PV1 2 = Constant. Assuming ideal gas behavior for air, determine (i) the final pressure, in bar, (ii) work during the process, in kJ/kg and (iii) heat transfer during the process, in kJ/kg. (Hint: Watch “property ta ble-polytropic process).

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