Which of the following gases will diffuse the fastest under identical conditions

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Question: Which of the following gases will diffuse the fastest under identical conditions?

Options:

Correct Answer: He

Solution:

According to Graham\'s law of effusion, lighter gases diffuse faster; hence, He will diffuse the fastest.

Which of the following gases will diffuse the fastest under identical conditions?

Which of the following gases will diffuse the fastest under identical conditions?

Step 1: Understand that diffusion is the process where gas molecules spread out from an area of high concentration to an area of low concentration.
Step 2: Learn about Graham's law of effusion, which states that lighter gases diffuse faster than heavier gases.
Step 3: Identify the gases in the question and find their molecular weights (the lighter the gas, the lower the molecular weight).
Step 4: Compare the molecular weights of the gases provided in the question.
Step 5: Determine which gas has the lowest molecular weight, as this gas will diffuse the fastest.
Step 6: Conclude that the gas with the lowest molecular weight, in this case, Helium (He), will diffuse the fastest.

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