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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Five grams of helium having rms speed of molecules 1000m/s and 24g of oxygen having rms speed of 1000m/s are introduced into a thermally isolated vessel. Find the rms speeds of helium and oxygen individually when thermal equilibrium is attained. Neglect the heat capacity of vessel.

Five grams of helium having rms speed of molecules 1000m/s and 24g of oxygen having rms speed of 1000m/s are introduced into a thermally isolated vessel. Find the rms speeds of helium and oxygen individually when thermal equilibrium is attained. Neglect the heat capacity of vessel.

A cubical vessel of side 1m contains one mole of nitrogen at a temperature of 300 K. If the molecules are assumed to move at rms velocity find number of collisions per second which the molecules make with each wall of vessel.