In what state of matter, liquid or gaseous, diffusion will proceed faster at the same temperature. Why?

Since the temperature of the liquid and gaseous substance is the same, then diffusion will proceed faster in the gaseous substance. This is due to the fact that the rate of diffusion is proportional to the speed of movement of individual molecules (gas molecules have a higher speed than liquid molecules), and also depends on the viscosity of the medium (the viscosity of the liquid is greater than the viscosity of the gas). Fick’s equation is used to calculate the diffusion rate.

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