A gas increases in pressure from 2.00 atm to 6.00 atm at a constant volume of 1.00 m and then expands at constant pressure to a volume of 3.00 m before returning to its initial state as shown in the figure below. How much work is done in one cycle? kj P (atm) 6.00 4.00 2.00 1.00 2.00 3.00 V (m')