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Physics

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Approximately how long does it take for an oxygen molecule to diffuse across the interior of a cell that is 230 ì m in diameter?

  • Physics - ,

    Without knowing the diffusion coefficient, I have no idea.

    You might consider this a "random walk" problem. The product of mean free path and molecular velocity is approximately the diffusion coefficient, D.

    The average distance randomly walked is, as I recall,
    sqrt (pi*D*t)

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