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← ScienceWhich phenomenon governs equilibrium vapor pressure above curved liquid meniscus within porous catalyst support?
A)Kelvin effect alters surface tension dependent✓
B)Raoult's law reduces component activity
C)Gibbs-Duhem relationship modifies composition
D)Clausius-Clapeyron equation includes curvature
💡 Explanation
When pore size is small within catalyst supports, Kelvin effect relates vapor pressure change to meniscus curvature via modified surface tension, altering phase equilibrium. Therefore, the Kelvin effect matters, rather than Raoult's Law (bulk effects), Gibbs-Duhem (composition changes), or Clausius-Clapeyron (temperature dependence).
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