Questions
A cylinder contains a mixture of helium and argon gas in equilibrium at . what is the rms speed of each type of molecule?
a
21 km/s
b
1.62 km/s
c
4.62 km/s
d
3.24 km/s
detailed solution
Correct option is B
Rms speed of ideal gas molecule is given by Vrms=3kTm=3×1.38×10-38×(273+150)4×1.67×10-27 m/s =1.62 km/sWe find root-mean square velocity for helium, vrms = 1.62 km/sTalk to our academic expert!
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The rms velocity of a gas at a certain temperature is times than that of the oxygen molecules at that temperature. The gas can be
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