Will the r.m.s. velocity of gas molecule...

Will the r.m.s. velocity of gas molecules of different gases at the same temperature be the same?

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We know that C=`sqrt(3RT/M)`
So.the same absolute temperature T,we have C`prop 1/sqrtM` This means that the rms velocity will not be the same for different gases,gases with higher molecular weight will have less molecular rms velocity.

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