Air contained within a piston-cylinder assembly undergoes three processes in series: Process 1-2: Compression at constant pressure from p, = 69 kPa, V, = 0.11 m to state 2. Process 2-3: Constant-volume heating to state 3, where p, 345 kPa. Process 3-1: Expansion to the initial state, during which the pressure-volume relationship is pV = constant. Sketch the processes in series on p-V coordinates. Evaluate (a) the volume at state 2, in m', and (b) the work for each process, in kJ.

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