Question

what are the laws of diffusion?

(describe briefly.)​

Answer 1

Answer:

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Explanation:

Fick’s law of diffusion explains the diffusion process (movement of molecules from higher concentration to lower concentration region). In 1855, Adolf Fick described the Fick’s Law of Diffusion. A diffusion process that obeys Fick’s laws is called normal diffusion or Fickian diffusion. A diffusion process that does NOT obey Fick’s laws is known as Anomalous diffusion or non-Fickian diffusion.

Fick’s Law of Diffusion is used to solve the diffusion coefficient D.

There are two laws that are interrelated ie; Fick’s first law is used to derive Fick’s second law which is similar to the diffusion equation.

According to Fick’s law of diffusion,

“The molar flux due to diffusion is proportional to the concentration gradient”.

The rate of change of concentration of the solution at a point in space is proportional to the second derivative of concentration with space.

Answer 2

Answer:

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Graham's law of Effusion or diffusion states that when the temperature and pressure are constant than atoms with high molar mass effuse slower than atoms with low molar mass. ... Moreover, it states that the square root of the molar mass is inversely proportional to the rate of Effusion.

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