140. Solving a chemistry problem

140. Solving a chemistry problem

Find the area per molecule in a saturated layer of aniline on the surface of its aqueous solution, if the limiting adsorption Г_∞ = 6.0 * 10-9 kmol / m2?
Calculate the work of adhesion for water, glycerin, tricresyl phosphate and benzene, which wet fluoroplastic. The surface tension (at the border with air) of water, glycerol, tricresyl phosphate, and benzene is 71.96, respectively; 63.2; 40.9; 28.9 mJ / m2, and the contact angles are 108, 100, 75, and 46.

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