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How much heat must be removed from 10 pounds of 32 degree water to turn it into 10 pounds of ice at 32 degrees?
Wiki User
∙ 12y ago
We must first know the heat of fusion of water, which is the required energy to melt a given quantity of ice. For water, this is 334 J/g. 334 Joules have to be applied to one gram of 32°F ice to melt it, so 334 Joules have to be taken out of one gram of 32°F water to freeze it.
10 pounds is 4,535.9237 grams, so (4,535.9237) * 334 gives us 1,514,998.52, the amount of energy in Joules that has to be removed from 10 pounds of water to freeze it.
The final answer is 1.51499852 MJ (megajoules)
Wiki User
∙ 12y ago
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How many Btu are required to change 600 pounds of water at 75 degrees F to steam at 212 degrees F?
1 BTU is required to raise 1lb of water 1 degree F in 1 hour. 212-75=137 degrees 600 lbs water x 137 degrees= 82,200 BTU's required to change 75 degree water to 212 degree water. To change 212 degree water to 212 degree steam it requires 970 btu's (latent heat of vaporization) per lb of water 970 btu x 600 lbs water = 582,000 btu Answer - 582,000 btu+ 82,200 btu = 664,200 btu's
The amount of heat removed to lower the temperature of 15 pounds of water from 48 degrees f to 39 degrees f is?
135 btu
How many btu does it take to raise the temperature of 1 gallon of water 1 degree if water was already 50 degrees?
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.
What is larger a Celsius degree or a Fahrenheit degree?
1 Degree of Celsius is larger. The number of degrees Fahrenheit between Water freezing (32) and boiling(212) is 180 degrees. The number of degrees Celsius is 100 degrees. So the Celsius degree has more value.
What is the BTU required to raise the temperature of 10 pounds of water from 50 degrees to 70 degrees?
200 BTU. I'm assuming your temperatures are in Fahrenheit, since all of your other measurements are in the Imperial system. A BTU is defined as the amount of energy required to raise the temperature of 1 pound water by 1 degree F, so the temperature is raised by 20 degrees, and 10 pounds of water: 20 x 10 = 200
What mass of water can be heated from 25 degrees celsius to 5 degrees celsius by the addition of 2825 joules?
None. Changing water from 25 degrees C to 5 degrees C requires heat to be REMOVED, not added!
How many degrees to water weight 7975 pounds?
How many degrees water weights 7975 pounds
How many Btu are required to change 600 pounds of water at 75 degrees F to steam at 212 degrees F?
1 BTU is required to raise 1lb of water 1 degree F in 1 hour. 212-75=137 degrees 600 lbs water x 137 degrees= 82,200 BTU's required to change 75 degree water to 212 degree water. To change 212 degree water to 212 degree steam it requires 970 btu's (latent heat of vaporization) per lb of water 970 btu x 600 lbs water = 582,000 btu Answer - 582,000 btu+ 82,200 btu = 664,200 btu's
The amount of heat removed to lower the temperature of 15 pounds of water from 48 degrees f to 39 degrees f is?
135 btu
How many btu's of heat are removed per hour when the water at a flow rate of 10 pounds per minute is cooled 15 degrees Fahrenheit?
74,970
How much heat must be removed from 5.0 g of water at 10 degrees C to become ice at 0 degree C?
You need to remove 1879 Joules.
Mix some 70 degree Celsius degree water with some 40 degree Celsius water and you'll get water at?
55 degrees celsius
What degree makes water freeze?
About, 30 degrees
What is the celsius degree when water freezes?
0 degrees
At what degree does the water boil?
100 degrees cel.
How many btu does it take to raise the temperature of 1 gallon of water 1 degree if water was already 50 degrees?
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.
What degree does water freeze into ice?
32 degrees Fahrenheit0 degrees Celsius
