Kinetic-Molecular Theory of Gases; Effusion and

Chapter , Problem 84E

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QUESTION:

Problem 84e

Kinetic-Molecular Theory of Gases; Effusion and Diffusion (Sections)

(a) Place the following gases in order of increasing average molecular speed at 300 K: CO. SF6, H2S. C12. HBr. (b) Calculate the rms speeds of CO and C12 molecules at 300 K. (c) Calculate the most probable speeds of CO and C12 molecules at 300 K.

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QUESTION:

Problem 84e

Kinetic-Molecular Theory of Gases; Effusion and Diffusion (Sections)

(a) Place the following gases in order of increasing average molecular speed at 300 K: CO. SF6, H2S. C12. HBr. (b) Calculate the rms speeds of CO and C12 molecules at 300 K. (c) Calculate the most probable speeds of CO and C12 molecules at 300 K.

ANSWER:

Step 1 of 4

The expression for root mean square speed is as follows;

                                                                 .....................(1)

Here,

 = The molar mass of particle

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