Jessa examines a bullet at a crime scene. The markings, called might link the bullet to a specific weapon. She also finds some fingerprints smeared in the blood of the victim. These are fingerprints.

For a process taking place in a closed system containing gas, the volume and pressure relationship is pvi-constant. -1.5 bar, the process starts with initial conditions, pi = =0.03 m3 and ends with final volume, v2-0.05 m3 determine the work done by the gas.