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Q:

# How long does it take ice to melt?

A:

It takes between 10 to 12 minutes to completely melt an ice cube on concrete with an ambient temperature of 109 degrees Fahrenheit. Ice melts at different speeds based on a range of factors such as the temperature of the ice, the size of the ice and the ambient temperature.

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Ice melts at 0 C or 32 F. In order for ice to melt, it will need to absorb enough heat to raise its temperature to this level. The size of the ice affects how much heat is required. For instance, an ice cube sitting out in the sun will melt faster than a block of ice. The surrounding temperature also affects how quick ice melts.

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## Related Questions

• A:

Heat causes ice to melt. Ice returns to the liquid state when the temperature rises above the freezing point of water, which is 32 degrees Fahrenheit or 0 degrees Celsius. Additionally, because of the specific and unusual characteristics of water, increased pressure causes it to melt as well.

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• A:

Sugar is able to melt ice because it disrupts the equilibrium of the water molecules and causes the freezing process to slow down, resulting in conditions that favor the melting process over the freezing process. The addition of a foreign molecule, such as sugar, results in a lower freezing point.

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• A:

Ice cubes melt because they are frozen water; when placed at a temperature above 32 degrees Fahrenheit while at 1 atmosphere of pressure, they undergo a phase transition to liquid water. The melting and freezing points of water are mostly the same, especially when gas is present.