How many degrees of freedom have the gas molecules

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

How many degrees of freedom have the gas molecules, if under standard conditions the gas density is

\rho = 1.3\ \text{kg}/\text{m}^3

and velocity of sound propagation on it is

v = 330\ \text{m}/\text{s}