Specific Heat Capacity of Different Gases
Specific heat capacity of a gas is the amount of heat required to raise the temperature of one unit of mass of the gas by one unit of temperature. It is an intensive property, meaning that it does not depend on the amount of gas present.
The following table provides a comprehensive list of specific heat capacity values for different gases at room temperature (approximately 25°C or 77°F) and 1 atmospheric (atm) pressure. (1 atm = 101,325 Pa)
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| Acetylene | 1690 |
| Air | 1005 |
| Ammonia | 2170 |
| Argon | 520 |
| Arsine | 494 |
| Butadiene | 1475 |
| Butane | 1695 |
| Carbon dioxide | 840 |
| Carbon monoxide | 1040 |
| Carbonyl sulfide | 690 |
| Chlorine | 480 |
| Cyanogen | 1090 |
| Cyclopropane | 1320 |
| Diborane | 2100 |
| Diethyl ether | 2010 |
| Ethane | 1745 |
| Ethylene | 1530 |
| Fluorine | 1650 |
| Helium | 5190 |
| Hydrogen | 14320 |
| Hydrogen bromide | 360 |
| Hydrogen chloride | 800 |
| Hydrogen cyanide | 1325 |
| Hydrogen iodide | 230 |
| Hydrogen sulfide | 1000 |
| Isobutane | 1660 |
| Isobutylene | 1570 |
| Krypton | 250 |
| Methane | 2225 |
| Neon | 1030 |
| Nitric oxide | 995 |
| Nitrogen | 1040 |
| Nitrogen dioxide | 800 |
| Nitrogen trifluoride | 750 |
| Nitrous oxide | 880 |
| Oxygen | 920 |
| Ozone | 820 |
| Phosgene | 580 |
| Phosphine | 1090 |
| Propadiene | 1470 |
| Propane | 1670 |
| Propylene | 1530 |
| Radon | 94 |
| Silane | 1330 |
| Silicon tetrachloride | 530 |
| Silicon tetrafluoride | 710 |
| Sulfur dioxide | 620 |
| Sulfur hexafluoride | 660 |
| Sulfur trioxide | 630 |
| Tetrafluoromethane | 690 |
| Xenon | 160 |
The specific heat capacity of gases can vary depending on temperature and pressure conditions.
Related Tables
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) A.M. Howatson, P.G. Lun, J.D. Todd, P.D. Engineering Tables and Data. United Kingdom: University of Oxford, Department of Engineering Science, 2009. 3) national institute of standards and technology (NIST) “NIST Chemistry WebBook, SRD 69.”