Question

Which of the following situations would cause the greatest decrease in the motion of molecules in a system? A. Q = -50 J, W = -50 J B. Q = +50 J, W = +50 J C. Q = -50 J, W = +50 J D. Q = +50 J, W = -50 J

Answer 1

To reduce the internal energy U of an ideal gas you need the gas to lose heat and/or do work.

Answer 2

Answer:

A.Q = -50 J, W = -50 J

Explanation: