To help keep her barn warm on cold days, a farmer stores 865 kgof warm water in the barn. How many hours would a 2.00-kilowattelectric heater have to operate to provide the same amount of heatas is given off by the water as it cools from 20.0 °C to 0 °C and thenfreezes at 0 °C?

To help keep her barn warm on cold days, a farmer stores 865 kgof warm water in the barn. How many hours would a 2.00-kilowattelectric heater have to operate to provide the same amount of heatas is given off by the water as it cools from 20.0 °C to 0 °C and thenfreezes at 0 °C?

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter5: Temperature And Heat

Section: Chapter Questions

Problem 15E: (a) How much energy is necessary to heat 1.0 kg of water from room temperature (20C) to its boiling...

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Question

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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