K4-21 calculated and plotted a graph of

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4.21 calculate and plot a graph of energy attraction spherical polystyrene particles being in an aqueous medium, the distance between the surfaces of the particles, which varies from 2 to 20 nm. The radius of the particles is 50 nm; Gamakepa constant A = 0,5⋅10-20 J.

Additional information

Tasks of metodichek:
"Laboratory workshop on colloid chemistry" Nekrasov AP Veretenchenko BA, Kharkiv NTU "KPI", 2004
"Characteristic features of disperse systems" Nekrasov, AP, Kharkiv, 1996
Manuals differ only in the number of tasks in each section. Tasks from 1 to 20 identical. But anyway, check the condition!
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For any questions (explain answer additional questions of the teacher, etc.) can be treated as Seller is the direct executors of tasks.
Tasks performed in Microsoft Word, graphics - in Microsoft Exel or OriginPro; formula typed in MathType (if formulas are unreadable signs, then you must install the editor); files are archived WinRAR.


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