| Material |
Sound
Velocity (m/s) |
-dV/dt (m/s·ºC) |
| Air (0
ºC, dry) |
331.4
|
-0.59
|
| Air (25
ºC, dry) |
346.3
|
-0.59
|
| Ammonia [H3N] (0 ºC)
|
415.0
|
- |
| Argon [Ar] (20
ºC) |
319.0
|
-0.56
|
| Carbon
Dioxide [CO2] (25 ºC) |
259.0
|
-0.4
|
| Carbon Monoxide [CO] (25 ºC) |
338.0
|
-0.6
|
| Helium [He] (25
ºC) |
965.0
|
-0.8
|
| Hydrogen [H2] (25
ºC) |
1284
|
-2.2
|
| Methane [CH4] (25 ºC)
|
430.0
|
- |
| Neon [Ne] (25
ºC) |
435.0
|
-0.8
|
| Nitrogen [N2] (25
ºC) |
334.0
|
-0.6
|
| Oxygen [O2] (25
ºC) |
316.0
|
-0.56
|
| Water; Steam [H2O] (100
ºC) |
404.8
|
-
|
|
|