Problemn 2: Crop a section to generate a A gas follows th the the gas looses 20 J of heat. summary instantly. a) indicate with bj calculate the work done by the gas during the process # 1. cl calculate the work done by the gas during the process # ?. Ji calculate the work done by the gas during the process # 3. e') if the internal energy [ of the gas is given by the following dependence law: U - 3/7 PV, calculate the variation of the internal energy AU during the process // 3. how much beat is lost. during the process # 3? P (Pa) 40 LO 2 0.2 * V(m)