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From high school science class; it takes 144 BTUs to melt a pound of ice. That takes it to 32 degrees F. To then raise the temp to 72 deg., would take about 40 more BTUs.

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Q: BTUs to melt one pound of ice?
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Related questions

How many btu's in one pound of ice?

It takes about 144 BTUs to melt 1 pound of ice at its melting point of 32°F (0°C) and fully convert it into water at the same temperature.


How many btus are required to change one pound of ice at 20 f to steam at 220 f?

It takes approximately 144 BTUs to change one pound of ice at 20°F to water at 212°F, and an additional 970 BTUs to change the water to steam at 220°F, for a total of 1114 BTUs.


If one pound of water is at a temperature of 32 degrees Fahrenheit, how many BTU’s must be removed in order to create a block of ice at 17 degrees?

LATENT HEAT OF FUSION When one pound of ice melts, it absorbs 144 BTUs at a constant temperature of 32°F. If one pound of water is to be frozen into ice, 144 BTUs must be removed from the water at a constant temperature of 32°F.


How many btus must be removed from one pound of water at 200 for it to end up as ice at 30?

144


How long does it take a one pound block of ice to melt?

The time it takes for a one pound block of ice to melt depends on the temperature of its surroundings and the rate of heat transfer. In general, it can take anywhere from 45 minutes to a couple of hours for a one pound block of ice to melt at room temperature.


How many btu's must be removed from one pound of water at 200f for it to end up as ice at 30f?

To convert water at 200°F to ice at 30°F, you need to remove 1 BTU to cool water from 200°F to 32°F to become ice. Then, you need to remove 144 BTUs to cool the ice from 32°F to 30°F. So, total BTUs needed to remove from one pound of water at 200°F to end up as ice at 30°F is 144 + 1 = 145 BTUs.


How many BTUs must be removed from one pound of water at 200 F for it to end up as ice at 30 F?

actually its 313.


How many BTUS in 1 pound of steam at 212 degrees Fahrenheit?

One pound of steam at 212 degrees Fahrenheit contains 1150 BTUs of energy.


How many Btu's are required to change one pound of ice at 20 F to steam at 220 F?

To change one pound of ice at 20°F to steam at 220°F, you need to consider two processes: heating the ice to 32°F, melting the ice at 32°F, heating the water to 212°F, and finally boiling the water to steam at 220°F. The total number of BTUs required for this process is around 1440 BTUs.


How many btus must be removed from one pound of water at 200 degrees f for it to end up as ice at 30 degrees f?

313 Btu


Which ice cube will melt faster one made of salt and water another made of sugar and water or one made from just water?

The ice cube made of salt and water will melt faster than the one made of sugar and water, which in turn will melt faster than the one made from just water. Salt and sugar lower the freezing point of water, which causes the ice to melt faster.


Btu in 1 pound of natural gas?

One pound of natural gas contains approximately 21,500-23,000 BTUs (British Thermal Units). The exact value can vary based on the composition of the natural gas.