Question

determine the diffusion coefficient of erythropoietin in water, if the average displacement of its molecules is 40 microns.

Answer 1

Смещение:

<x> = 40 мкм = 40*10⁻⁶ м

Из формулы:

<x²> = 2*D*t

коэффициент диффузии:

D = <x²> / (2*t)

D = (40*10⁻⁶)² / 2 = 0,8*10⁻⁹ м²/с