When the temperature of ice reaches reaches 0oC, solid ice begins to change to a liquid. While a substance is melting or freezing, the temperature remains constant until the phase change is complete. The point at which a substance changes between a solid and a liquid is referred to as the melting point or the freezing point. The melting point and the freezing point are always the same for a given substance.
When Ice changes to a liquid, the temperature remains constant. What do you think happens when water changes to a gas?
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What does it mean to "keep a constant temperature"?
What does it mean to "keep a constant temperature"?
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While a substance is melting or freezing, the temperature remains phase change is complete.
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