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Boiling

Boiling is the process in which a liquid turns into vapor when it is heated to its boiling point. This occurs when the vapor pressure of the liquid equals the atmospheric pressure. The boiling point of a substance is the temperature at which the vapor pressure of the liquid is equal to the external pressure acting on the surface of the liquid. This is a key concept in the study of phase changes and is important in various scientific and everyday applications.

Key Concepts:

1. Boiling Point: The temperature at which a liquid turns into vapor at a given pressure.
2. Vapor Pressure: The pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.
3. Atmospheric Pressure: The pressure exerted by the weight of the atmosphere.
4. Phase Change: The transition of a substance from one state of matter to another, such as from a liquid to a gas during boiling.

Study Guide:

To better understand the concept of boiling, it is important to review the following topics:

1. States of Matter: Familiarize yourself with the properties of solids, liquids, and gases, and how substances transition between these states.
2. Temperature and Heat: Understand the relationship between temperature and heat energy, and how this affects the behavior of substances during phase changes.
3. Vapor Pressure: Learn about vapor pressure and how it relates to the evaporation and boiling of liquids.
4. Boiling Point Elevation and Freezing Point Depression: Explore the factors that can affect the boiling point of a substance, such as the presence of solutes in a solution.

By mastering these concepts, you can gain a comprehensive understanding of boiling and its significance in the field of science.

Hope this helps! Let me know if you need further explanation.

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