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Vapor Pressure and Boiling Point

The pressure of vapor present at equilibrium with its liquid is called the equilibrium vapor pressure – or, more commonly – the vapor pressure of the liquid. Vapor pressures of liquids vary widely. Liquids with high vapor pressures are called volatile – that is, they evaporate rapidly. Vapor pressure of a liquid at a given temperature is determined by the intermolecular forces acting among the molecules. There is a relationship between vapor pressure and boiling point of a liquid. This topic explores vapor pressure, and its relationship to boiling point.


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Compare Contrast and Debate

Kickoff Debate Background: xx

  • Position A: Honeycutt Science should x
  • Position B: Honeycutt Science should x

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Notes and Notices

Instructor Emphasis:

  • Science & Engineering Practice: Use mathematical and computational thinking.
  • Cross-Cutting Concept: Stability and Change.