19. Calculate the time for which the spherical particle

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19. Calculate the time for which the spherical particles of glass in water settle at a distance h = 1 cm, if the dispersity of the particles is: a) 0.1 μm-1;
b) 1 μm -1; c) 10 μm -1. The densities of the dispersed phase and the dispersion medium are 2.4 and 1.0 g / cm 3, respectively; the viscosity of the dispersion medium is η = 10 -3 Pa · s.

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If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
Questions and problems from the manual:
"Laboratory Workshop on Colloid Chemistry" Nekrasov AP, Veretenchenko BA, Kharkov NTU "KhPI", 2004
"Characteristic properties of disperse systems" Nekrasov AP, Kharkov, 1996
Tasks are executed in Microsoft Word, graphics - in Microsoft Exel or OriginPro; formulas are typed in the MathType editor (if the formulas contain unreadable characters, then you need to install this editor); files are archived by WinRAR.

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