Question

What is Graham's law ?​

Answer 1

Answer:

Graham's law of diffusion. About Transcript. Graham's law of diffusion (also known as Graham's law of effusion) states that the rate of effusion a gas is inversely proportional to the square root of its molar mass. Often, it is used to compare the effusion rates of two gases.

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Answer 2

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Graham's law states that the rate of diffusion or of effusion of a gas is inversely proportional to the square root of its molecular weight. ... Graham's law is most accurate for molecular effusion which involves the movement of one gas at a time through a hole.

Graham's law states that the rate of diffusion or effusion of a gas is inversely proportional to the square root of its molar mass. See this law in equation form below. r ∝ 1/(M)½ or. r(M)½ = constant.

• The gases with different densities can be separated using Graham's law. It is also helpful in determining the molar mass of unknown gases by comparing the rate of diffusion of unknown gas to known gas. We can separate the isotopes of an element using Graham's law. A common example is enriching uranium from its isotope.