what is diffusion in a gas?

Answer 1

Diffusion is the movement of a gas into a space or the mixing of one gas with another.

Answer 2

the ability of a gas to spread and occupy the whole available volume,irrespective of other gases present in the container is called diffusion. The aroma of the food that u smell near the kitchen is due 2 the diffusion of the molecules with aroma through air.
the process of effusion is always followed by the process of diffusion.
"LAW OF DIFFUSION"- under identical condition of temparature & pressure,the rate of diffusion/effusion is inversely propotional 2 the square root of its density.(proposed by-Thomas graham)
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Answer 3

diffusion is the movement of gases from one area to the other

Answer 4

think about when you spray deodorant, the deodorant particles slowly mix with air paricles to travel across a room, thats diffusion

Answer 5

movement of gas going to an area with less concentration of gas

Answer 6

the spreading of particles from somewhere at a high concentration to somewhere of a low concentration.

eg, in the lungs, the oxygen moves from the alveoli into the blood and the carbon dioxide from the blood into the alveoli.