1.

Distinguish between diffusion and effusion.

Answer»

Diffusion:

  • Diffusion is the spreading of molecules of a substance throughout a space or a second substance.
  • Diffusion refers to the ability of the gases to mix with each other.
  • Example, Spreading of something such as brown tea liquid spreading through the water in a tea cup.

Effusion:

  • Effusion is the escape of gas molecules through a very small hole in a membrane into an evacuated area.
  • Effusion is a ability of a gas to travel through a small pin-hole.
  • Example, pouring out something like the soap studs bubbling out from a bucket of water.


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