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What is the change in internal energy if 20 J of heat is released from a system and the system does 50 J of work on the surroundings?

A.-80 J
B.-20 J
C.80 J
D.20 J

asked
User Rcruz
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2 Answers

6 votes

The correct answer is a -80 J

answered
User Fazo
by
8.5k points
4 votes

Answer:

A is the answer to this question. Hope this helps!

answered
User Maxime Girou
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7.9k points

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