Worksheet: Chemical Potentials in Mixtures

In this worksheet, we will practice using the Gibbs–Duhem equation to calculate the chemical potentials of species in an equilibrium mixture.


The equilibrium vapor pressure of water at 298 K is 3 2 × 1 0 2 bar. Is the chemical potential of H O ( ) 2 l at 298 K and 2 . 7 × 1 0 2 bar less than, equal to, or greater than the chemical potential of H O ( ) 2 g at the same temperature and pressure?

  • ALess than
  • BEqual to
  • CThere is not enough information provided to answer this question.
  • DGreater than

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