Two moles of nitrogen are initially at 10 bar and 600 K (state 1) in a horizontal piston/cylinder device. They are expanded adiabatically to 1 bar (state 2). They are then heated at constant volume to 600 K (state 3). Finally, they are isothermally returned to state 1. Assume that N2 is an ideal gas with a constant heat capacity as given on the back flap of the book (2.5*R for CV). Neglect the heat capacity of the piston/cylinder device. Supposed that heat can be supplied or reject as illustrated below. Assume each step of the process is reversible.     Note: The figure is not shown but it consists of what is known as the Carnot Engine (Hot and Cold Reservoirs, Removable Insulation, and lid

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