Calculate the root mean square speed of oxygen molecules at 300 K. Take R = 8.31 J mol⁻¹ K⁻¹ and M = 0.032 kg mol⁻¹.

State the law of equipartition of energy and give the degrees of freedom of a monatomic and a diatomic gas molecule.

What is mean free path, and on what does it depend?

Calculate the volume occupied by 2 moles of an ideal gas at 300 K and 1 atmosphere. Take R = 8.31 J mol⁻¹ K⁻¹ and 1 atm = 1.013 × 10⁵ Pa.

State the postulates of the kinetic theory of gases.

For a projectile launched at speed u, at what angle is the horizontal range greatest, and what is that range?

How many significant figures are there in 0.00420, 1.030 and 6.023 × 10²³?