1.25. Given a dispersed system with a mass of the dispersed phase m, a density of the dispersed phase m, with particles of the dispersed phase of a certain shape and size: r is the radius of the ball, l is the length of the cube edge (task options are given in Table 1.2).
1. Calculate the dispersion of the system D and the specific surface area Ssp.
2. Calculate the parameters of the particle of the dispersed phase: volume V0, surface S0, mass m0.
3. Calculate the total surface of all particles S and the number of particles N in the dispersed system.
Option 11
Dispersion phase - sulfur, dispersion medium - water, particle shape - cube, r (l), m - 1 * 10-7, p * 10-3, kg / m3 - 2.07, m, kg - 3.
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