Solve each problem involving first law thermodynamics. Write your complete solution on a separate sheet of paper. Use two decimal places for your final answers. Sketch also the energy diagram of each problem if possible.

1. A gas on a piston cylinder has a oonstant pressure of 1D psig vacuum. The piston undergoes expansion which makes the volume of the gas from {3.05 m3 to [11H n13. Calmate the nonow work in kJ