Solved: To help keep her barn warm on cold days, a farmer
Chapter 17, Problem 73(choose chapter or problem)
To help keep her barn warm on cold days, a farmer stores 865 kg of warm water in the barn. How many hours would a 2.00-kilowatt electric heater have to operate to provide the same amount of heat as is given off by the water as it cools from 20.0 C to 0 C and then freezes at 0 C?
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