Determine the diffusion coefficient of erythropoietin in water, if the average...

Question

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

Answer 1

Смещение:

= 40 мкм = 40*10⁻⁶ м

Из формулы:

= 2*D*t

коэффициент диффузии:

D = / (2*t)

D = (40*10⁻⁶)² / 2 = 0,8*10⁻⁹ м²/с