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Vapour pressure does not depends upon …

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Vapour pressure does not depends upon volume of liquid or shape, size and volume of container. ? How, plz help me It is making me confused
  • 1 answers

Sia ? 3 years, 7 months ago

Vapor pressure does not depend on surface area because it is derived from the thermodynamic equilibrium between the liquid and gas phases of a substance. The closer the vapor pressure is to atmospheric pressure, the closer that substance is to boiling. At its boiling point, vapor pressure equals atmospheric pressure and the molecules that comprise the liquid now have enough thermal energy to overcome the intermolecular forces that are maintaining it in a condensed phase. So it might help to think about how container geometry does not affect the boiling point of a liquid; the same reasons are true for why it does not affect the vapor pressure.
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