Diffusion sounds slowand over everyday distances it isbut on the scale of a cell it is
Chapter 0, Problem 2-12(choose chapter or problem)
Diffusion sounds slowand over everyday distances it isbut on the scale of a cell it is very fast. The average instantaneous velocity of a particle in solutionthat is, the velocity between the very frequent collisionsis v = (kT/m) where k = 1.38 1016 g cm2/K sec2, T = temperature in K (37C is 310 K), and m = mass in g/molecule. Calculate the instantaneous velocity of a water molecule (molecular mass = 18 daltons), a glucose molecule (molecular mass = 180 daltons), and a myoglobin molecule (molecular mass = 15,000 daltons) at 37C. Just for fun, convert these numbers into kilometers/hour.
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