josev98 josev98

31-07-2019
Physics

contestada

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.

Respuesta :

MathPhys MathPhys

31-07-2019

Answer:

20 J

Explanation:

ΔU = Q − W

ΔU = 60 J − 40 J

ΔU = 20 J

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