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Gases - Speed of Sound

Speed of sound in some gases at zero degrees Celsius and atmospheric pressure.

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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:

GasSpeed of Sound

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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