College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 27

(a) What is the average kinetic energy per molecule of a monatomic gas at a temperature of 25 °C (b) What is the rms speed of the molecules if the gas is helium (Ahelium molecule consists of a single atom of mass 6.65 × 10 27 kg).