A gas expands from initial state with P1 = 320 kPa, V1 = 0.04 m3 to a final pressure of 80 kPa. If the reversible pressure - volume relation is given by PV2 = Constant, then what will be the work done for the process?
1
6.4 kJ
2
64 kJ
3
6.4 MJ
4
0.64 KJ