Question

4. Why do the gases diffuse but not the solids?​

Answer 1

Answer:

Gases diffuse because the molecules of gases are very free and move randomly thats why they have higher kinetic energy and diffuse faster. on the other hand, solids are rigid and the molecules do not move thats why solid doesn't diffuse.

Explanation:

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Answer 2

Explanation:

Diffusion is readily observed in gases because the spaces between the particles of gases is very large. However, particles in solids are very tightly and closely packed. Thus, they cannot move freely and so diffusion is not observed so commonly in solids.