Which of the following signs on q and w represent the surroundings that is doing work on the system,as well as gaining heat from the surroundings?
A) q = +, w = -
B) q = -, w = +
C) q = +, w = +
D) q = -, w = -
E) None of these represent the system referenced above.

Question

Quizplus · Accepted Answer

In this scenario, the positive sign of q indicates that heat is being gained by the system from the surroundings. The positive sign of w indicates that work is being done on the system by the surroundings. When both q and w have positive signs, it means that the surroundings are doing work on the system while at the same time transferring heat to the system.

Which of the Following Signs on Q and W Represent