Question

Why do gases Diffuse very fast?
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Answer 1

Answer:

Gaseous particles tend to undergo diffusion because they have kinetic energy. Diffusion is faster at higher temperatures because the gas molecules have greater kinetic energy. Graham's Law states that the effusion rate of a gas is inversely proportional to the square root of the mass of its particles.

Answer 2

Answer:

The kinetic energy of the particles is very high in the vapour state, these particles readily mix up with the particles of Air. Gases intermolecular space is very high as compared to solid and liquids. Due to this reason, the molecules of gas moves at a faster rate, hence making the diffusion rate faster.