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The properties of liquids reflect the bonding within molecules and the nature and strength of forces between molecules. The difference in the viscosity of similar liquids is a good starting point to introduce the forces between molecules that influence the rate of evaporation, vapor pressure, and boiling point of the liquid.


  • Intermolecular Forces
  • Hydrogen Bonding
  • London Dispersion Forces
  • Dipole-dipole Interactions