Question
A gaseous mixture at a constant temperature contains O2, CO2 and He. List the three gases in order of increasing average molecular speed. THANKS.
Answers
DrBob222
V<sub>rms</sub> = sqrt(3RT/M)
Molar mass is in the denominator; therefore, the V decreases as the molar mass increases.
Molar mass is in the denominator; therefore, the V decreases as the molar mass increases.
Yoda
So what factor is used to determine the molecular speed?
DrBob222
Isn't it the molar mass?