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[Chemical Knowledge]：Melting and boiling points of glacial acetic acid: temperature determines the change of substances

Read： 1300 Time：16months ago Source：Transform the World with Simplicity

Glacial acetic acid is a common organic acid with a chemical formula of CH3COOH. It is a colorless liquid at room temperature and is often used as a flavoring and solvent. Glacial acetic acid has a specific melting point and boiling point, and temperature is an important factor affecting the change of material state.

us to understand the melting point of glacial acetic acid. The melting point is the temperature at which a substance changes from a solid state to a liquid state under a certain pressure. For glacial acetic acid, the melting point is about 16.6 degrees Celsius. When the temperature is lower than the melting point, glacial acetic acid exists in a solid state; when the temperature exceeds the melting point, glacial acetic acid will melt into a liquid. The presence of a melting point means that glacial acetic acid changes state between solid and liquid at a specific temperature.

Next, we will explore the boiling point of glacial acetic acid. The boiling point is the temperature at which a substance changes from a liquid to a gaseous state under a certain pressure. For glacial acetic acid, its boiling point is about 118 degrees Celsius. When the temperature is below the boiling point, the glacial acetic acid will remain liquid; when the temperature reaches or exceeds the boiling point, the liquid glacial acetic acid will begin to evaporate to form a gas state. The existence of a boiling point means that glacial acetic acid can change from a liquid to a gaseous state at a certain temperature.

temperature is an important factor affecting the change of material state. By controlling the temperature, we can change the state of glacial acetic acid. When the temperature is lower than the melting point, glacial acetic acid is solid and can form glacial acetic acid ice crystals. By heating, so that the temperature rises above the melting point, glacial acetic acid will melt into a liquid, can be used for experiments or applied to different occasions. As the temperature rises further above the boiling point, the glacial acetic acid turns into a gas, which can be used for processes such as distillation.

sum up, glacial acetic acid has a melting point of about 16.6 degrees Celsius and a boiling point of about 118 degrees Celsius. The melting point refers to the process from solid to liquid, and the boiling point refers to the process from liquid to gas. By controlling the temperature, we can change the state of glacial acetic acid to achieve different applications and experimental purposes. Temperature is an important factor affecting the change of material state. Understanding and mastering the melting point and boiling point of material will help us to better apply chemical knowledge and play its role in life and work.

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