TH202 : Ebulliometric Determination of Vapor Pressures
Theory: clusius Clapeyron Equation Aim: Determination of vapor pressures of pure substance at different temperatures. Determination of enthalpy of vaporization and correlation constants in the vapor pressure equation Theory: clusius Clapeyron Equation Where, At low pressures ≤1 atm, ZV > ZL and ZV≈1, therefore, ΔZv≈1 Therefore,
Determine the boiling points of a pure substance (T) at various pressures (P) ranging from 760 mm Hg to100 mm Hg Where, A = intercept and B = slope = -ΔHv/R