Problem: The boiling point of chloroform, CHCl 3, is 61.2°C. Use Trouton’s rule to estimate the enthalpy of vaporization of chloroform.

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FREE Expert Solution

We are asked to use Trouton’s rule to estimate the enthalpy of vaporization of chloroform.


Svap = HvapTb

Where: 

ΔSvap = 85 J/mol-K


Calculate ΔHvap

Given: 

ΔSvap = 85 J/mol-K

Tb = 61.2°C + 273.15 = 334.35 K


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Problem Details

The boiling point of chloroform, CHCl 3, is 61.2°C. Use Trouton’s rule to estimate the enthalpy of vaporization of chloroform.