As a system decreases in volume, it releases 50.0 J of energ…
As a system decreases in volume, it releases 50.0 J of energy in the form of heat to the surroundings. The piston has an internal pressure of 0.500 atm. The final volume of the system is 42.0 L. What was the initial volume of the system if the internal energy of the system increased by 115.0 J?