1. A 1.2 m3 insulated rigid tank contains 2.13 kg of air at 298 K and 100 kPa. The gas is stirred until its pressure is 120 kPa. With dead state conditions 298 K and 100 kPa, and assuming constant specific heat, determine:
a) Work (kJ)
b) Exergy change (kJ)
c) Exergy destruction (kJ)