(II) At about what pressure would the mean free path of air molecules be
(b) equal to the diameter of air molecules, ≈ 3 x 10⁻¹⁰ m? Assume T = 20° C .
(II) At about what pressure would the mean free path of air molecules be
(b) equal to the diameter of air molecules, ≈ 3 x 10⁻¹⁰ m? Assume T = 20° C .