A football at 27°C has 0.5 mole of air molecules. Calculate the internal energy of air in the ball.

Ten particles are moving at the speed of 2, 3, 4, 5, 5, 5, 6, 6, 7 and 9 m s^-1. Calculate rms speed, average speed and most probable speed.

Calculate the rms speed, average speed and the most probable speed of 1 mole of hydrogen molecules at 300 K. Neglect the mass of electron.

Find the adiabatic exponent \(\gamma\) for mixture of μ₁ moles of monoatomic gas and μ₂ moles of a diatomic gas at normal temperature (27°C).

An oxygen molecule is travelling in air at 300 K and 1 atm, and the diameter of oxygen molecule is 1.2\(\times\)10⁻¹⁰m. Calculate the mean free path of oxygen molecule.