Please answer all parts of the question and show your work

The diagram represents the cycle of a heat engine. The gas in the engine is monoatomic. The temperature at point 1 is 300 K. a) Show that n = .0241 mol. b) Fill in the chart below for the values of Q, W5 (work done by the system) and AEth. c) Show net values of the cycle. d) What is the efciency? (Point 1 is at the bottom of the cycle. Point 2 is at the upper left, point 3 is at the upper right.) p (kPa) 400 200 0 V (cm3) 0 300 600 1)2 2)3 3)1