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Diffusion in gases: the diffusion coefficient of bromide in the air. P3010301

You can get the concept of:
The kinetic theory of gases, transport properties, laws of distribution, diffusion coefficients.

Principle:
Diffusion is the result of the flow of matter in the direction of the gradient of concentration. The method of evaporation reaches a constant concentration gradient in which the concentration decreases linearly with distance. Under these conditions, the diffusion coefficient of propagating material can be calculated from Fick izhodya.