Ammoniain a piston/cylinder arrangement is at 700 kPa and 80◦C. It is now cooled at constant pressure to saturated vapor (state 2), at which point the piston is locked with a pin. The cooling continues to −10◦C (state 3). Show the processes 1 to 2 and 2 to 3 on both a P–v and a T–v diagram.