The formula of root-mean-square speed in terms of absolute temperature and molecular mass of the gas is, vRMS=M3RT⇒vRMS∝M1, here we know that, MH2<MO2<MCO2⇒vH>vO>vC.
The R.M.S. speeds of the molecules of Hydrogen, Oxygen, and Carbon dioxide at the same temperature are vH,vO and vC respectively, then:
Held on 26 Aug 2021 · Verified 6 Jul 2026.
vC>vO>vH
vH=vO>vC
vH>vO>vC
vH=vO=vC
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