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Change of State
Melting is a change of state from a solid to a liquid without a change in temperature. For a pure substance, it occurs at a constant temperature called melting point.
Freezing or solidification is a change of state from a liquid to a solid without a change in temperature. A pure substance freezes at a temperature equal to its melting point. Boiling is a change of state from a liquid to a gas without a change in temperature. For a pure substance, it occurs at a constant temperature called boiling point. Condensation is a change of state from a gas to a liquid without a change in temperature. A pure substance condenses at a temperature equal to its boiling point. |
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