Specific heat ratio of common gases
Including isentropic coefficient of air, ammonia, natural gas, water vapor
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1. Data table
| Gas | Isentropic coefficient Specific heat ratio at 15 degrees celcius |
|---|---|
| Acetylene | 1.24 |
| Air | 1.40 |
| Ammonia | 1.31 |
| Benzene | 1.12 |
| Carbon dioxide | 1.30 |
| Carbon monoxide | 1.40 |
| Chlorine | 1.36 |
| Ethane | 1.19 |
| Ethyle Alcohol | 1.13 |
| Ethyle Chloride | 1.19 |
| Ethylene | 1.24 |
| Hydrogene | 1.41 |
| Methane | 1.31 |
| Methyl Alcohol | 1.20 |
| Methyl Chloride | 1.20 |
| Natural Gas | 1.27 |
| Nitrogen | 1.40 |
| Oxygen | 1.40 |
| Propane | 1.13 |
| Propylene | 1.15 |
| Water vapor | 1.33 |