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The Stability Of Vapor Condensation Equilibrium

Author

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  • SHIMIN ZHANG

    (College of Chemistry & Chemical Engineering, Central South University, Changsha, Hunan, P. R. China)

Abstract

The system must get across an energy peak of unstable equilibrium during the condensation of pure vapor; as the supersaturated extent of vapor increases and the temperature decreases, the energy peak shortens and vapor condensation becomes easier. The system must get across an energy peak of unstable equilibrium first, and then get into an energy valley of stable equilibrium during the condensation of impure vapor; as the partial pressure of vapor decreases, the energy peak becomes taller, the energy valley more shallow, vapor condensation becomes more difficult and liquid evaporation becomes easier; when the partial pressure of vapor decreases to a certain extent, the energy peak and the energy valley combine into one, and vapor condensation becomes impossible.

Suggested Citation

  • Shimin Zhang, 2005. "The Stability Of Vapor Condensation Equilibrium," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 12(03), pages 359-368.
    • Handle: RePEc:wsi:srlxxx:v:12:y:2005:i:03:n:s0218625x05007141
    DOI: 10.1142/S0218625X05007141
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