JEE Main 201910 Apr, Morning shiftPhysicsMediumKinetic Theory of Gases52× since 2002
A 25 × 10^–3 m³ volume cylinder is filled with
1 mol of O₂ gas at room temperature (300K).
The molecular diameter of O₂, and its root
mean square speed, are found to be 0.3 nm, and
200 m/s, respectively. What is the average
collision rate (per second) for an O₂ molecule ?