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How many btu does it take to raise the temperature of 1 gallon of water 1 degree if water was already 50 degrees?
Wiki User
∙ 12y ago
U.S.gallon = 8.33 pounds of water.
Therefore to raise the temperature by one degree F will require 8.33 BTU.
The initial temperature of 50 F is inconsequential.
Wiki User
∙ 12y ago
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If a piece of iron with a temperature of 300 degrees celsius is dropped into a gallon of water with a temperature of 25 degrees Celsius heat will?
heat will flow from the iron to the water until both are the same temperature
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You would need to remove approximately 1200 BTUs of heat to convert a gallon of water to ice. There are 8.34 lb in a gallon of water, which converting to lb-moles is 0.463. The latent heat of crystallization for water is -2583.4 BTU/lb-mole. Multiplying the two together and you get -1197 BTUs, which means you need to remove that amount of heat to convert the gallon of water to ice.
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answer: 7680 btu 1 gallon= 8 lb 130F-50F=80F 12G*8LB*80F=7680 BTU
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This is a pretty straightforward calculation. By definition, a BTU is the amount of energy required to raise one pound of water one degree F. But you have one gallon of water, which weighs approximately* 8.34 pounds. So, you'd need 8.34 BTU to increase one gallon of water one degree F. Note how the amount of time was not important. Whether you heat the water slowly or quickly doesn't matter. You will still require 8.34 BTU to raise the temperature of a gallon of water one degree F. * I say approximately because the weight of water varies slightly with its temperature. Water is at its densest at 4 degrees Celsius (39 degrees F). A gallon of water at temperatures above and below that value will weigh less.
If a piece of iron with a temperature of 300 degrees celsius is dropped into a gallon of water with a temperature of 25 degrees Celsius heat will?
heat will flow from the iron to the water until both are the same temperature
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what is the answer to this
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Proper storage temperature for 1 gallon of milk?
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How many BTU needed to operate 30000 gallon pool at 80 degrees?
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