.12
25
300
If you're in Celsius, 13459.5 Btu's. If you're in Fahrenheit, 12632.5 Btu's.
The current Canadian penny, in use since 2000 and consisting of 94% steel, 1.5% nickel, and 4.5% copper plating, has a mass of 2.35 grams. So it would take 194 of them to weigh one pound (avd.), on Earth.
212-65=147. 147(20)=2940 btu needed is this right?
One BTU is the energy required to raise one pound of water by one degrees. Therefore, your answer would be one half.
at least 90 degrees
It depends on the composition of the steel as there are many different grades and types of steel.
15.37684 joules
15480.80
That will completely depend on how much water there is.
0.104 btu
It takes about 55 BTU'S It takes 180 BTU'S to raise 32 degrees to 212 degrees.
12 degrees Celsius
12 degrees Celsius
300
25