Gases - Speed of Sound
The speed of sound depends on the density and the bulk modulus elasticity of a gas.
Speed of sound for some gases at 0oC and atmospheric pressure:
Gas | Speed of Sound (m/s) |
---|---|
Acetaldehyde | 278 |
Acetylene | 329 |
Air | 331 |
Air, 20oC | 343 |
Ammonia (30oC) | 440 |
Argon (27oC) | 323 |
Benzene (90oC) | 200 |
Bromine (58oC) | 149 |
Carbon dioxide (51oC) | 280 |
Carbon dioxide (0oC) | 258 |
Carbon disulfide (35oC) | 206 |
Carbon monoxide (0oC) | 337 |
Carbon tetrachloride (22oC) | 133 |
Chlorine (0oC) | 205 |
Chloroform (22oC) | 154 |
Cyclohexan (30oC) | 181 |
Deuterium (0oC) | 888 |
Diethyl ether (40oC) | 187 |
Ethane (31oC) | 316 |
Ethylene (20oC) | 327 |
Fluorine (102oC) | 332 |
Trichlorofluoromethane R11 (18oC) | 143 |
1,1,2-trichloro-1,2,2-trifluoroethane R113 (53oC) | 124 |
Dichlorodifluoromethane R12 (17oC) | 140 |
Chlorodifluoromethane R22 (17oC) | 179 |
Helium (0oC) | 973 |
Hydrogen (27oC) | 1320 |
Hydrogen bromide (0oC) | 200 |
Hydrogen chloride (0oC) | 294 |
Hydrogen iodide (0oC) | 157 |
Hydrogen sulfide (24oC) | 309 |
Hydrogen sulfide (0oC) | 295 |
Krypton (30oC) | 224 |
Methane (41oC) | 466 |
Methane (27oC) | 450 |
Neon (30oC) | 461 |
Neon (0oC) | 433 |
Nitric oxide (16oC) | 334 |
Nitrogen (29oC) | 354.4 |
Nitrous oxide (25oC) | 268 |
Nitrous oxide (0oC) | 256 |
Oxygen (27oC) | 330 |
Oxygen (30oC) | 332.2 |
Sulfur dioxide (0oC) | 209 |
Sulfur hexafluoride (11oC) | 133 |
Water vapor steam (100oC) | 477.5 |
Water vapour steam 6 MPa (350oC) | 571 |
Note that speed is a scalar quantity. Velocity is vector quantity with direction.
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