Table 9 The speeds of sound in Nitrous oxide, Carbon dioxide, Nitric oxide, Carbon monoxide, Sulphur dioxide and Dichlorodifluoromethane at t = 25 °C from this work based on Eq. 7
| Substance | \(N_{2} O\) | \(CO_{2}\) | \(NO\) | \(CO\) | \(SO_{2}\) | \(CCl_{2} F_{2}\) |
|---|---|---|---|---|---|---|
| \(\rho_{m} (mg/cc)\) | 1.8088 | 1.8079 | 1.3402 | 1.1453 | 2.6642 | 2.0383 |
| \(\sigma ({\rm A}^{ \circ } )\) | 3.879 | 3.996 | 3.470 | 3.590 | 4.026 | 5.116 |
| \(\varepsilon /k_{B} (K^{ \circ } )\) | 220.0 | 190.0 | 119.0 | 110.0 | 363.0 | 280.0 |
| \(M(g/mol)\) | 44.0128 | 44.0095 | 30.0061 | 28.0101 | 64.0640 | 120.9140 |
| \(v(m/s)\) | 236.6072 | 236.7511 | 287.3415 | 297.4551 | 195.2006 | 142.5648 |