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Q. Precisely 1 mol of helium and 1 mol of neon are placed in a container. Indicate the correct statements about the system

States of Matter

Solution:

Hint: Helium gas has lower molecular mass and hence it moves faster than neon and strikes the wall more frequently
$\mu_{ av }=\sqrt{\frac{8 R T}{\pi M}}$
$\mu_{ av } \propto\left(\frac{1}{M}\right)^{1 / 2}$
Hence, He has higher speed than neon