15. Calculate the attraction energy of two thick parallel plates in an aqueous medium, if the distances between the surfaces are 5.10,15 20 and 50 nm and plot the dependence of the energy on the distance. Take the Hamaker molecular force constant equal to 2 * 10-12 J
The potential energy of interaction of two plane-parallel plates consists of the sum of the energy of electrostatic repulsion ( and the energy of intermolecular attraction (:

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