Oxygen Gas - Specific Heat vs. Temperature
Specific heat (C) is the amount of heat required to change the temperature of a mass unit of a substance by one degree.
- Isobaric specific heat (C p ) is used for substances in a constant pressure (ΔP = 0) system.
- I sochoric specific heat (C v ) is used for substances in a constant-volume , (= isovolumetric or isometric ) closed system.
The specific heat - C P and C V - will vary with temperature. When calculating mass and volume flow of a substance in heated or cooled systems with high accuracy - the specific heat (= heat capacity) should be corrected according values in the table below.
Specific heat of Oxygen Gas - O 2 - at temperatures ranging 175 - 6000 K :
| Temperature - T - (K) | Specific Heat - c p - (kJ/(kg K)) |
|---|---|
| 175 | 0.910 |
| 200 | 0.910 |
| 225 | 0.911 |
| 250 | 0.913 |
| 275 | 0.915 |
| 300 | 0.918 |
| 325 | 0.923 |
| 350 | 0.928 |
| 375 | 0.934 |
| 400 | 0.941 |
| 450 | 0.956 |
| 500 | 0.972 |
| 550 | 0.988 |
| 600 | 1.003 |
| 650 | 1.017 |
| 700 | 1.031 |
| 750 | 1.043 |
| 800 | 1.054 |
| 850 | 1.065 |
| 900 | 1.074 |
| 950 | 1.082 |
| 1000 | 1.090 |
| 1050 | 1.097 |
| 1100 | 1.103 |
| 1150 | 1.109 |
| 1200 | 1.115 |
| 1250 | 1.120 |
| 1300 | 1.125 |
| 1350 | 1.130 |
| 1400 | 1.134 |
| 1500 | 1.143 |
| 1600 | 1.151 |
| 1700 | 1.158 |
| 1800 | 1.166 |
| 1900 | 1.173 |
| 2000 | 1.181 |
| 2100 | 1.188 |
| 2200 | 1.195 |
| 2300 | 1.202 |
| 2400 | 1.209 |
| 2500 | 1.216 |
| 2600 | 1.223 |
| 2700 | 1.230 |
| 2800 | 1.236 |
| 2900 | 1.243 |
| 3000 | 1.249 |
| 3500 | 1.276 |
| 4000 | 1.299 |
| 4500 | 1.316 |
| 5000 | 1.328 |
| 5500 | 1.337 |
| 6000 | 1.344 |
The values above apply to undissociated states. At high temperatures above 1500 K dissociation becomes appreciable and pressure is a significant variable.
See also other properties of Oxygen at varying temperature and pressure: Density and specific weight and Dynamic and Kinematic Viscosity , and Thermophysical properties at standard conditions ,
as well as Specific heat of Air - at Constant Pressure and Varying Temperature , Air - at Constant Temperature and Varying Pressure , Ammonia , Butane , Carbon dioxide , Carbon monoxide , Ethane , Ethanol , Ethylene , Hydrogen , Methane , Methanol , Nitrogen , Propane and Water .
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