How many BTUs does 1 gallon of water absorb when applied at 60% and fully vaporized at 500°F?

The calculation of how many BTUs (British Thermal Units) 1 gallon of water absorbs when it is heated and vaporized involves understanding the specific heat of water, the heat required to change water to steam, and the latent heat of vaporization.

1. Heating the Water: First, to raise the temperature of water from a starting point to its vaporization point (let's say from room temperature to 212°F), you would typically use the specific heat of water, which is approximately 1 BTU per pound per degree Fahrenheit. Given that 1 gallon of water weighs about 8.34 pounds, heating it to 212°F would require a certain amount of BTUs to raise the temperature of the water.

2. Latent Heat of Vaporization: Once the water reaches 212°F, it requires additional energy to change from liquid to vapor at that temperature. This energy is referred to as the latent heat of vaporization, which is about 970 BTUs for 1 pound of water. Since there are 8.34 pounds in 1 gallon, the energy required to vaporize the entire gallon of water would be calculated using the latent heat multiplied by the weight.

Combining these components, the number