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A System Delivers 225 J of Heat to the Surroundings Δ\Delta

Question 9

Multiple Choice

A system delivers 225 J of heat to the surroundings while delivering 645 J of work. Calculate the change in the internal energy, Δ\Delta E, of the system.


A) -420 J
B) 420 J
C) -870 J
D) 870 J
E) -225 J

Correct Answer:

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