100108

# 100108 - velocity Effusion vs Diffusion y Effusion –...

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Kinetic Molecular Theory y Derivation of root mean square velocity

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Kinetic Molecular Theory y What is the average speed of a hydrogen molecule at 300 K? y What is the average speed of an oxygen molecule at 300 K?
Kinetic Molecular Theory y Dry Lab

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At which of the following temperatures will a sample of Ne gas have the highest root mean square velocity? 300 K 37 oC 4 5 0 K 182 oC 1% 91% 7% 2% 1. 300 K 2. 37 o C 3. 450 K 4. 182 o C
Kinetic Molecular Theory y Consider separate 1.0 L samples of He and UF 6 gases, both at 1.00 atm and containing the same number of moles. What ratio of temperatures for the two samples would produce the same root mean square

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Unformatted text preview: velocity? Effusion vs Diffusion y Effusion – Describes the passage of gas into an evacuated chamber y Diffusion – Describes the mixing of gases. The rate of diffusion is the rate of mixing Effusion Graham’s Law of Effusion y Relates the rate of effusion of one gas to the rate of effusion of a second gas Graham’s Law of Effusion y An unknown gas effuses at a rate that is 0.462 times that of nitrogen gas (at the same temperature). Calculate the molar mass of the unknown gas in g/mol. Ammonia HCl Diffusion...
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100108 - velocity Effusion vs Diffusion y Effusion –...

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