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The RMS speed of heliu, in ms^(-1) (at...

The RMS speed of heliu, in `ms^(-1)`
(atomic mass= 4.0 g`mol^(-1)`) at 400 K is

A

16.8

B

60

C

168

D

1580

Text Solution

Verified by Experts

(d) `v_(rms=sqrt((3RT)/(M))=sqrt((3xx8.314xx400)/((4xx10^(-3))kg))approx1580 m//s`
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