We know ΔU=Q+W so we are looking for the smallest sum since the internal energy is associated with temperature for a closed system
A has a total of -100 so it has the largest decrease in energy
Sara S.
asked • 03/15/19Which 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
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