mass of oxygen = 2.76*10powerof -26 boltzmen constant 1.38*10 power -23

Question

at what temp will the rms speed of oxygen molecule become just sufficient for escaping from the earth atmosphere

Answer 1

Given : Mass of oxygen molecule (m) = 2.76 × 10–26kg

Boltzmann'* constant kB = 1.38 × 10–23JK–1