Freezing Point

The freezing point of a substance is the temperature at which it changes from a liquid to a solid state. This temperature is specific to each substance and can be influenced by various factors such as pressure and the presence of impurities.

Study Guide

1. Definition: Define the freezing point of a substance.
2. Factors affecting freezing point: Discuss how pressure and the presence of impurities can impact the freezing point of a substance.
3. Examples: Provide examples of substances and their freezing points.
4. Measurement: Explain how the freezing point of a substance can be measured and its significance in various applications.
5. Phase diagram: Introduce the concept of a phase diagram and how freezing points are represented on such diagrams.

Understanding the freezing point of substances is important in fields such as chemistry, physics, and material science, as it helps in predicting the behavior of materials in different conditions and applications.