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At what temperature is the average velocity of `O_(2)` molecule equal to the root mean square velocity at `27^(@)C`?A. `80.57^(@)C`B. `80^(@)C`C. `83^(@)C`D. `86.5^(@)C` |
Answer» Correct Answer - A `u_(av)=v_(rms)` `sqrt((8RT)/(pim))=sqrt((3RT)/(m))` `(8RT)/(pim)=(3RT)/(m)implies (8RT)/(pim)=(3Rxx300)/(m)` `T= 353.57 K` `t= 80.57^(@)C` |
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