What is the change in internal energy if 60 J of heat are released from a system and 20 J of work is done on the system Use U = Q - W. A. -40 J B. 40 J C. -80 J D. 80 J

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asked Oct 16, 2017 4.9k views

2 votes

What is the change in internal energy if 60 J of heat are released from a system and 20 J of work is done on the system Use U = Q - W.

A. -40 J
B. 40 J
C. -80 J
D. 80 J

Physics
high-school

Alaba asked

by Alaba

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1 Answer

2 votes

Answer:-40

Step-by-step explanation:

Turneye answered Oct 22, 2017

by Turneye

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