A system consists of 20kg of water at 75 degrees celsius 25


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Question: A system consists of 2.0kg of water at 75 degrees Celsius. 25 J of work is done on the system by stirring with a paddle wheel, while 63 J of heat is removed.

1- What is the change in internal energy of the system?

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Physics: A system consists of 20kg of water at 75 degrees celsius 25
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