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Question
Why does ice at appear colder than water at the same temperature?
Why does ice at appear colder than water at the same temperature?
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Solution
- Ice at appears colder than water because the latent heat absorbed by ice is more than water at the same temperature.
- Latent heat: The energy required by a substance when it changes its phase, that is when it goes from either a solid to a liquid or from a liquid to a gas is known as latent heat.
- The amount of heat energy required by ice to change into water is the latent heat of fusion and its value is 80 cal/g.
- Latent heat of fusion is used for melting ice into water. This heat is removed from the surrounding, which is cooled down and therefore ice appears colder than water at .
- Ice at appears colder than water because the latent heat absorbed by ice is more than water at the same temperature.
- Latent heat: The energy required by a substance when it changes its phase, that is when it goes from either a solid to a liquid or from a liquid to a gas is known as latent heat.
- The amount of heat energy required by ice to change into water is the latent heat of fusion and its value is 80 cal/g.
- Latent heat of fusion is used for melting ice into water. This heat is removed from the surrounding, which is cooled down and therefore ice appears colder than water at .
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