4 A cooling curve is the opposite of a heating curve. It shows how the temperature of a substance
changes with time, as it is cooled from a gas to a
solid. Here is the cooling curve for one substance:
ORE
78
Temperatura
liquid
solid
Time
a What is the state of the substance at room
temperature (20°C)?
b Use the list of melting and boiling points on
page 9 to identify the substance.
e Sketch a cooling curve for pure water​

Heating curves show how the temperature changes as a substance is heated up. Cooling curves are the opposite. They show how the temperature changes as a substance is cooled down. Just like heating curves, cooling curves have horizontal flat parts where the state changes from gas to liquid, or from liquid to solid

Explanation:

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