Question

what is the change in internal energy, 500 J of heat?​

Answer 1

Answer:

DU = Q - A, So DU = 400J

Explanation:

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Answer 2

Answer:

500 J of heat are leaving the system per second. 500 J/s * 3600 s = 1.8 MJ of electrical energy are converted into heat every hour. All the electrical energy put into the system is converted into heat

Explanation:

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