What is the change in internal energy if 60 J of heat are added to a system and the system does 40 J of work on its surroundings? Use AU = Q-W.

asked Mar 23, 2020 141k views

3 votes

What is the change in internal energy if 60 J of heat are added to a system

and the system does 40 J of work on its surroundings? Use AU = Q-W.

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2 votes

Answer:

20 J

Step-by-step explanation:

ΔU = Q − W

ΔU = 60 J − 40 J

ΔU = 20 J

Dops answered Mar 28, 2020

by Dops

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