56. Calculate and construct a curve of the potential energy of interaction of spherical particles of radius r in an aqueous solution of KCl with concentration c using the following data: Hamaker constant A* = 1.5*10-20 J, potential of the diffuse layer φδ (in the table), temperature 20 C , relative dielectric constant of the medium is 80.1. Determine the particle interaction energy values ​​at distances between surfaces h: 1, 2, 4, 8, 16, 32 nm.
Problem Particle radius, nm φδ, mV s, mmol/l
56 40 30 2.5

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