1.

At what temperature will O_(2) molecules have the same root mean square speed as N_(2) molecules at 227^(@C ?

Answer»

Solution :For `O_(2): U_("rms") = sqrt((3RT)/(32)),`
For `N_(2): U_("rms") = sqrt((3R xx500)/(28))`
SINCE, both have same `U_("rms")`
`therefore (3RT)/(32) =(3Rxx500)/(28)`
`therefore T=571.4 K =298.4^(@)C`


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