Difference between Diffusion and Effusion

Difference between Diffusion and Effusion

Diffusion and effusion both terms defined the movement of the molecule. But the main difference between the diffusion and effusion is the type of the molecule which moved.

Following are the main difference between Diffusion and effusion

Diffusion:

-The movement of the solute from higher concentration to the lower concentration until the equilibrium established.

-Diffusion occurs in gas, liquid and solid particle.

-The diffusion rate depends on the concentration gradient and the amount of surface area available for diffusion. 

-Collision occurs among the molecule 

Effusion:

-The movement of gases from the small hole known as the effusion.

-Effusion occurs in only gaseous molecule.

-Effusion rates both depend on the molar mass of the gas involved, their rates are not equal.

    - There is no any Collision occur among the molecule


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