How many times greater is the specific surface area of dispersed silver having cubic particles with an edge length of 10 µm than that of silver having particles with an edge length of 50 µm? Find the total surfaces of dispersed silver weighing 0.3 g. The density of silver is 10.5 g/cm3. Calculate the surface energy if the surface tension of silver is 1140∙10-3 J/m2

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