At identical temperature and pressure

PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

At identical temperature and pressure, in which of the following gases will sound travel the fastest? (a) Nitrogen

(M = 28\,\text{g mol}^{-1})

(b) Helium

(M = 4\,\text{g mol}^{-1})

(M = 44\,\text{g mol}^{-1})

(d) Oxygen

(M = 32\,\text{g mol}^{-1})