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The ratio between the root mean square v...

The ratio between the root mean square velocity of `H_(2)` at 50K and that of `O_(2)` at 800K is

A

4

B

2

C

1

D

`1//4`

Text Solution

Verified by Experts

The correct Answer is:
C
`m(H_(2)) = sqrt(( 3R xx 500)/( 2))`
`m ( O_(2)) = sqrt(( 3R xx 800)/( 32))`
`( mu ( H_(2)))/( mu ( O_(2))) = sqrt(( 3R xx 500)/( 2) ) xx sqrt( ( 32 ) /( 3R xx 800))`
`= sqrt(( 500 xx 32)/( 2 xx 800)) = 1 `
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