Video Problem #2, Lecture #17: One liter of Freon gas is initially at a temperature of 25°C. It is heated at constant pressure to a temperature of 52° C, and then it is cooled back down to its initial temperature of 25° C. During this entire process, the gas does 85 J of work. (a) Does heat flow into or out of the system during this series of processes? (b) How much heat flows in or out?