Introduction
A cooling curve is a graph that shows the change in temperature of a substance over time as it cools down from a high temperature to a low temperature. The cooling curve is used to analyze the cooling behavior of a substance and to determine its phase changes.
The cooling curve is typically created by measuring the temperature of the substance at regular intervals as it is cooled. The measurements are then plotted on a graph with time on the x-axis and temperature on the y-axis. The resulting graph typically has a curved shape that shows a gradual decrease in temperature over time.
The cooling curve can be used to determine several key properties of the substance, including its melting point, freezing point, and heat of fusion. The cooling curve can also be used to determine the state of the substance at any given time, such as whether it is a solid, liquid, or gas.
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