V2EX pentane

Pentane

释义 Definition

名词(n.)戊烷,一种含有五个碳原子的饱和烃类有机化合物,化学式为 CH,常温下为无色液体,常用作有机溶剂和化学实验中的标准物质。

发音 Pronunciation

/pnten/

词源 Etymology

由希腊语词根 pente(意为"五")加上化学后缀 -ane(表示饱和烃类)构成。pente 表示该化合物含有五个碳原子,**-ane** 是有机化学中烷烃类化合物的统一命名后缀,表明分子中所有碳碳键均为单键。该词于19世纪随有机化学命名体系的建立而产生。

例句 Examples

Pentane is a colorless liquid that evaporates quickly at room temperature.
戊烷是一种无色液体,在室温下蒸发很快。

In the laboratory, we used pentane as a solvent to extract the organic compound from the aqueous solution.
在实验室中,我们用戊烷作为溶剂,从水溶液中提取有机化合物。

关联词 Related Words

文学与学术引用 Literary & Academic References

  • 《有机化学》(Organic Chemistry)by John McMurry在讨论烷烃的物理性质和同分异构体时,pentane 是经典的教学案例,因为它是最小的拥有三种结构异构体(正戊烷、异戊烷、新戊烷)的烷烃。
  • 《化学原理》(Chemistry: The Central Science)by Theodore Brown 等在介绍有机化合物命名规则和分子间作用力时,常以 pentane 及其异构体为例,说明分子形状对沸点的影响。
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