Which of the following signs on q and w represent the surroundings that is doing work on the system,as well as losing heat to 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 sign for heat (q) is negative because the system is losing heat to the surroundings, and the sign for work (w) is positive because work is being done on the system by the surroundings. Therefore, option B (q = -, w = +) represents the system described.

Which of the Following Signs on Q and W Represent