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单词 Trouton’s rule
释义
Trouton’s rule

Chemical Engineering
  • A method used to determine the approximate latent heat of vaporization of a substance based on its normal boiling point as:

    λTBP=Δs90Jmol1K1

    It is used where no heat of transformation data exists or can be readily found. For polar liquids, the value increases while for non-polar liquids, the value decreases. It should not be used for highly polar or non-polar molecules. It is named after Irish physicist Frederick Thomas Trouton (1863–1922).


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