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Trouton's rule is a principle in physical chemistry that provides an estimate for the entropy of vaporization of a liquid. It states that the entropy of vaporization (\( \Delta S_{vap} \)) of many liquids at their normal boiling points is approximately equal to a constant value, which is about 88 to 100 J/mol·K. This rule holds true for a variety of organic liquids, particularly those that are non-polar or weakly polar.

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  1. Thermodynamic properties
  2. Thermodynamics
  3. Dynamical systems
  4. Fields of mathematics
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