At what temperature will be the oxygen molecules have the same root mean square root mean square speed as hydrogen molecules at 300 K ?

Question

At what temperature will be the oxygen molecules have the same root mean square root mean square speed as hydrogen molecules at 300 K ?

At what temperature will be the oxygen molecules have the same root mean square root mean square speed as hydrogen molecules at 300 K ?
A. 1600 K
B. 2400 K
C. 3200 K
D. 4800 K

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Root mean square speed `V(rms)=sqrt((3RT)/(M))rArrTpropM`
`(thereforev_("rms"),Rrarr"constant")`
`or" " (T_(O_(2)))/(T_(H_(2)))=(M_(O_(2)))/(M_(O_(2)))`
`rArr " " (T_(O_(2)))/(300)=(32)/(2)`
`rArr "temperature"" "T_(O_(2))=4800K`

4 views Answered 2023-02-05 15:29