143. Solving a chemistry problem
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Product description
3.12. A test tube 0.1 m high is filled with a highly dispersed suspension of quartz (density 2650 kg / m3) in water (density 1000 kg / m3, viscosity 0.001 Pa * s). The total settling time of particles is 2 hours. What is the minimum particle size, assuming that they have a spherical shape?
Additional information
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