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Question
A container has a mixture of two gases, hydrogen, and oxygen at room temperature. Which one of the following statements is true, if VH and VO are the root mean square velocities of hydrogen and oxygen molecules respectively?
Options
VH > VO
VH < VO
VO = VH
Data is insufficient
MCQ
Solution
VH > VO
Explanation:
`"V"_"H" = sqrt((3"RT")/("M"_"H")) ,"V"_"O" = sqrt((3"RT")/("M"_"O"))`
As T = constant, Vrms ` alpha 1/sqrt"M"_0`
MH < MO ⇒ VH > VO
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Root Mean Square (RMS) Speed
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