Chemistry Part 1chap3 Gases Diffusion&effusion and Grahm's law |Hindi|Urdu| by muhammad faizan islam

Описание: Diffusion
The spontaneous intermixing of gas molecules is called diffusion.
examples
1. mixing of perfumes in air
2. mixture of air
Effusion
The spontaneous escaping of gas molecules through a hole.
examples
1. gas effuse from balloons
2. gas effuse from tyre during puncture
Graham's law of diffusion and effusion
The rate of diffusion or effusion is inversely proportional to the under root of its density.