A System Has a Heat Source Supplying Heat to an Ideal

Question 27
Multiple Choice

A system has a heat source supplying heat to an ideal gas at a rate of 187.0 W and the gas is doing work at a rate of 130.9 W.At what rate is the internal (thermal)energy of the gas changing? A) 56.1 W B) 318 W C) -56.1 W D) 187 W