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A US gallon of water is about 8.4 lb, so 30,000 galls is 252,000 lb. One BTU is the heat to raise one pound of water by one degF, so BTU's in your example are 252,000 x 15 = 3,780,000 BTU.
one BTU is approximately the amount of energy needed to heat 1 pound of water 1 degree Fahrenheit. Here is a start ; now find out how much a pound of water weighs then work through it.
answer: 7680 btu 1 gallon= 8 lb 130F-50F=80F 12G*8LB*80F=7680 BTU
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
No BTU are required in order to lowerthe temperature of water. All you have to dois place the water in an environment that is cooler than the water is, then stand backand watch the temperatue of the water drop while the BTU flow out of it.
300
About 8,000 BTU
212-65=147. 147(20)=2940 btu needed is this right?
0.29308323563892147 watts per btu there for 5200 btu = 1524.0328253223915 watts 1 watt=3.412Btu/hr 1 Btu=the amount of energy needed to heat 1 Lb of water 1 degree. A gallon of water weighs aprox. 8 Lbs.
btu = the amount of heat needed to raise one pound of water one degree F
1 BTU needed to raise or lower 1degree F of 1 lb water
100 BTU if it's Fahrenheit
not sure
A US gallon of water is about 8.4 lb, so 30,000 galls is 252,000 lb. One BTU is the heat to raise one pound of water by one degF, so BTU's in your example are 252,000 x 15 = 3,780,000 BTU.
You do not mention how much you want to heat the water and in what period of time. But here are the figures: 1 btu = temperature increase of 1* F of 1 pound of water. One gallon of water weighs 8.33 lbs. So a boiler with an output rating of 2,332,400 btu will raise the temperature 1*F in 1 hour. (280,000x 8.33). Boiler outputs are rated in btu per hour . how many btu does it take to heat 15lb of water from 100 degrees F to 129 degrees F?
usually 20 btu's per square foot so......12000 btu's should do fine
one BTU is approximately the amount of energy needed to heat 1 pound of water 1 degree Fahrenheit. Here is a start ; now find out how much a pound of water weighs then work through it.