Heating curves display how the temperature varies during heating.
What happens to a heating curve during a phase change?
- Heating curves display how the temperature varies during heating. Curves that cool are the reverse.
- They demonstrate how a substance cools down and how that affects the temperature. In the same way that heating curves feature horizontal flat areas when the state goes from gas to liquid or from liquid to solid, cooling curves also have those locations.
- The temperature of a given volume of water changes as heat is added at a consistent pace, as shown by the water heating curve.
- The temperature of the water does not vary throughout a phase shift, creating a plateau on the graph.
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