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The root mean square (r.m.s) speed of ox...

The root mean square (r.m.s) speed of oxygen molecules `(O_2)`
at a certain temperature T (degree absolute) is V. If the temperature is doubled and oxygen gas dissociates into atomic oxygen, the r.m.s speed remains unchanged.

A

`nu`

B

`sqrt2nu`

C

`2nu`

D

`2sqrt2nu`

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