...When the heat of vaporization of 1 mole of pure liquid at the boiling point T b (absolute temperature) is ⊿ vap H , the law states that the relationship ⊿ vap H / T b = 88 J/K・mol holds for many liquids. This is an experimental law discovered by the British FT Trouton (1863-1922). Regardless of the type of constituent molecules, such as monoatomic molecules like krypton or polyatomic molecules like benzene, the fact that this relationship holds, even if only approximately, shows that the evaporation process from liquid to vapor has a certain universal meaning in molecular theory, and makes it possible to derive a model for molecular motion in liquids. ... *Some of the terminology references "Trouton, FT" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…沸点Tb(絶対温度)における純液体1molの蒸発熱を⊿vapHとするとき,⊿vapH/Tb=88J/K・molの関係が多くの液体に対して成立するという法則。イギリスのトルートンF.T.Trouton(1863‐1922)が発見した実験法則である。クリプトンのような単原子分子,ベンゼンのような多原子分子など,構成分子の種類にかかわらず,近似的にせよこの関係が成立することは,液体→蒸気という蒸発過程が分子論的な,ある普遍的意味をもつことを示し,液体中での分子運動に一つのモデルを導くことを可能にする。… ※「Trouton,F.T.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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