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

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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