Process 1 to 2 Isothermal compression from state 1 through a volumetric compress

Process
1 to 2 Isothermal compression from state 1 through a volumetric compression ratio of 4.4 to state 2
2 to 3 Isobaric heating back to the original volume.
3 to 1 Isochoric cooling back to state1.
Assume for air Mw = 28.96 Cp = 1.005 kJ/kg.K
ALL ANSWERS MUST BE GIVEN TO 3 SIGNIFICANT FIGURES
For this cycle determine the initial mass of air (15%);
kg
Find the maximum pressure in the cycle (15%)
kPa
Calculate the maximum temperature in the cycle (15%)
Degrees C
Find the work done during process 1-2 (15%):
kJ
Find the work done during process 2-3 (15%):
kJ
Calculate the net work done during the cycle (10%)
kJ
The heat rejected during the Isochoric cooling (15%)
kJ