Question

What is the difference between effusion and diffusion?

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The rate of diffusion of a gas is inversely proportional to the square root of its mass, while the rate of effusion of a gas is directly proportional to the square root of its mass.
Effusion is the process in which gas molecules escape through a tiny hole in a membrane without collisions.
The rate of effusion of a gas is inversely proportional to the square root of its mass, while the rate of diffusion of a gas is directly proportional to the square root of its mass.
Effusion is the mixing of different gases by random molecular motion and with frequent collisions.
Diffusion is the mixing of different gases by random molecular motion and with frequent collisions.
Diffusion is the process in which gas molecules escape through a tiny hole in a membrane without collisions.

Answer 1

Effusion is the escape of gas molecules through a very small hole in a membrane into an evacuated area; diffusion is the spreading of molecules of a substance throughout a space or second substance.

Answer 2

The difference between effusion and diffusion is:

Effusion is the process in which gas molecules escape through a tiny hole in a membrane without collisions.

Diffusion is the mixing of different gases by random molecular motion and with frequent collisions.

Effusion :

• It is the process in which molecule gas escapes out from a tiny hole without collision.
• The movement of the gas particles is difficult from the barrier.
• For example gas leaking fro the tiny hole of the balloon

Diffusion

• It is the process of mixing gases due to their motion and collision
• The movement of gas particles is easier from the barrier
• For example smell of cooking food.

So, from this, we can conclude that the difference between effusion and diffusion is:

Effusion is the process in which gas molecules escape through a tiny hole in a membrane without collisions.

Diffusion is the mixing of different gases by random molecular motion and with frequent collisions.

Learn more about effusion and diffusion here:

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