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Which of the following gases would diffuse the fastest? CH4 CCl4 O2 H2

User Ji
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2 Answers

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I think the correct answer from the choices listed above is the last option. The gas that would diffuse the fastest would be H2 gas since it is the latest among the gases given above. Hope this answers the question. Have a nice day. Feel free to ask more questions.
User Leo Letto
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The gas that would diffuse the fastese is HYDROGEN, H2.

Factors that affect the rate of diffusion of a gas include: the density of the gas, temperature, concentration difference and diffusion distance. The density of the diffusing gas depends on how light or how heavy the gas is. Looking at all the options given above, it will be observed that it is hydrogen that has the lightest weight, as indicated by its atomic mass and thus it will diffuse faster than any of the remaining compounds.

User Termato
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