The following table contains the sound velocity values of various gases measured at 20 °C.
| Gases | Formula | Sound Velocity (m/s) |
| Acetaldehyde | C2H4O | 252.8 |
| Acetylene | C2H2 | 340.8 |
| Ammonia | NH3 | 429.9 |
| Argon | Ar | 319.1 |
| Benzene | C6H6 | 183.4 |
| Carbon dioxide | CO2 | 268.3 |
| Carbon monoxide | CO | 349.2 |
| Carbon tetrachloride | CCl4 | 150.2 |
| Chlorine | Cl2 | 212.7 |
| Dimethyl ether | CH3OCH3 | 213.4 |
| Ethane | C2H6 | 327.4 |
| Sulphur hexafluoride | SF6 | 137.8 |
| Gases | Formula | Sound Velocity (m/s) |
| Ethanol | C2H3OH | 267.3 |
| Ethylene | C2H4 | 329.4 |
| Helium | He | 994.5 |
| Hydrogen sulphide | H2S | 321.1 |
| Methane | CH4 | 445.5 |
| Methanol | CH3OH | 347 |
| Neon | Ne | 449.6 |
| Nitrogen | N2 | 349.1 |
| Nitrogen monoxide | NO | 346 |
| Oxygen | O2 | 328.6 |
| Propane | C3H8 | 246.5 |