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[Chemical Knowledge]：Pentane vs. n-pentane: Understanding the difference between these two compounds

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Both pentane and n-pentane are alkane compounds, and their molecular formula and molecular weight are the same, namely C5H12. However, their molecular structures are different, resulting in some differences in properties and uses. The molecular structure of

pentane is a straight chain formula (CH3CH2CH2CH2CH3), while the molecular structure of n-pentane is a normal structure (CH3CH2CH2CH3). This structural difference leads to their different physical properties. Pentane is a colorless, odorless, volatile liquid that is flammable and insoluble in water. n-pentane has similar properties, but the boiling point of n-pentane is slightly higher than that of pentane.

The chemical properties of pentane and n-pentane differ due to their different molecular structures. As a non-polar compound, pentane is not easy to react with other compounds. N-pentane has high convective and flammable, easy to react with oxygen to produce combustion.

In addition, pentane and n-pentane also have some differences in application. Pentane is often used as a solvent and fuel, and has a wide range of applications in the fields of chemical industry, printing and coating. n-Pentane is often used as a standard for calibration of testing instruments and analytical experiments.

In summary, although pentane and n-pentane have the same molecular formula and molecular weight, they are different in physical properties, chemical properties and applications due to different molecular structures. Through in-depth understanding and research of these two compounds, we can better apply their advantages in their respective fields and promote the development and innovation of related fields.

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