Please could some please help me solve this question.

Question

Your hep Will he much appreciated.
In a two step process ,heat flows out of ideal gas at constant volume so pressure decrease from 3.3 to 1.8atm. The gas then expands at constant pressure from 4.5L to 9.7L where the temperature reaches its original temperature.

a. Sketch the PV diagram for this process.
b. Culculate the work done by the gas in the process.
c. Culculate the change in internal energy of the gas in the process.
d. Culculate the heat flow in or out of the gas