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A system releases 20 J of heat into its surroundings while the surroundings
perform 80 J of work on the system. What is the change of energy of the
system? (Use AU=Q-W]

Respuesta :

rafaleo84

Answer:

The change of energy is 60J

Explanation:

We have a closed system, which receives 80 J of energy. It means this energy is entering the system. And also we have 20 J that is dissipating in the shape of heat.

Therefore the amount remaining in the system will be 80 - 20 = 60 J

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