93. Solving a chemistry problem
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Product description
- Calculate the distance traveled by the particles of the dispersed phase of the hydrosol during electrophoresis, using the data given in Table 6. where t is the electrophoresis time, ζ is the electrokinetic potential, ΔU is the voltage of the DC source, l is the distance between the electrodes. The relative permittivity of the medium is 80.1, and its viscosity is 0.001 Pa*s.
option number t, min ζ, mV ΔU, V l, cm
9 26 45 120 27
When solving this task, do not forget that the Helmholtz-Smoluchowski equation must be transformed in such a way that instead of the absolute permittivity of the medium, the relative permittivity is used in it.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.