139. Задачка по химии №013 952

Calculate the total energy of interaction of spherical particles of attraction of spherical particles with a diameter of 200 nm, the Hamaker constant A = 0.5 * 10-19 J. The distance between the particles is h = 2nm. Calculate the repulsive energy of two spherical particles with a diameter of 200 nm in an aqueous solution of NaCl, if the potential of the diffuse layer is Y = 20 mV, parameter ae-1 = 10-8 m, temperature T = 293 K, distance between particles is h = 20 nm.

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