Solve the following problem:
Problem: 2.0 mol of gas are at 30 degrees C and a pressure of 1.5 atm. How much work must be done on the gas to compress it to one third of its initial volume at constant temperature?
1- How much work must be done on the gas to compress it to one third of its initial volume at constant pressure?
I need expert help to solve the above question and thanks in advance.