A mixture of 2 moles of helium gas (atomic mass = 4u) , and 1 mole of argon gas (atomic mass = 40 u) is kept at 300 K in a container. The ratio of their rms speeds V r m s h e l i u m V r m s ( a r g

Question

A mixture of 2 moles of helium gas (atomic mass = 4u) , and 1 mole of argon gas (atomic mass = 40 u) is kept at 300 K in a container. The ratio of their rms speeds V r m s h e l i u m V r m s ( a r g o n ) , is close to:

TestHub · Accepted Answer

V R M S = 3 R T M ∴ ( V R M S ) H e ( V R M S ) A r = M A r M H e = 40 4 = 10 = 3.16

Physics - Heat & Thermo Question with Solution | TestHub

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