Why is diffusion fastest in gases compared to liquids and solids? Provide an example to illustrate your answer.

A.VERIFIED ANSWERfact-checked by tutors

Diffusion is fastest in gases because their particles are far apart and move rapidly and randomly with high kinetic energy and negligible intermolecular forces. This allows for quick intermixing.

For example, when an incense stick is lit in one corner of a room, its fragrance quickly spreads throughout the entire room due to the rapid diffusion of gas particles.

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