Nitrogen Gas - Specific Heat vs. Temperature
Specific heat of Nitrogen Gas - N2 - at temperatures ranging 175 - 6000 K
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 (Cp ) is used for substances in a constant pressure (ΔP = 0) system.
- I sochoric specific heat (Cv ) is used for substances in a constant-volume , (= isovolumetric or isometric ) closed system.
The specific heat - CP and CV - 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.
Nitrogen accounts for 78 % of the atmospheric air volume. Nitrogen is an inert, neutral and colorless gas.
Specific heat of Nitrogen Gas - N2 - at temperatures ranging 175 - 6000 K :
| Temperature - T - (K) | Specific Heat - cp - (kJ/(kg K)) |
|---|---|
| 175 | 1.039 |
| 200 | 1.039 |
| 225 | 1.039 |
| 250 | 1.039 |
| 275 | 1.039 |
| 300 | 1.040 |
| 325 | 1.040 |
| 350 | 1.041 |
| 375 | 1.042 |
| 400 | 1.044 |
| 450 | 1.049 |
| 500 | 1.056 |
| 550 | 1.065 |
| 600 | 1.075 |
| 650 | 1.086 |
| 700 | 1.098 |
| 750 | 1.110 |
| 800 | 1.122 |
| 850 | 1.134 |
| 900 | 1.146 |
| 950 | 1.157 |
| 1000 | 1.167 |
| 1050 | 1.177 |
| 1100 | 1.187 |
| 1150 | 1.196 |
| 1200 | 1.204 |
| 1250 | 1.212 |
| 1300 | 1.219 |
| 1350 | 1.226 |
| 1400 | 1.232 |
| 1500 | 1.244 |
| 1600 | 1.254 |
| 1700 | 1.263 |
| 1800 | 1.271 |
| 1900 | 1.278 |
| 2000 | 1.284 |
| 2100 | 1.290 |
| 2200 | 1.295 |
| 2300 | 1.300 |
| 2400 | 1.304 |
| 2500 | 1.307 |
| 2600 | 1.311 |
| 2700 | 1.314 |
| 2800 | 1.317 |
| 2900 | 1.320 |
| 3000 | 1.323 |
| 3500 | 1.333 |
| 4000 | 1.342 |
| 4500 | 1.349 |
| 5000 | 1.355 |
| 5500 | 1.362 |
| 6000 | 1.369 |
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 Nitrogen at varying temperature and pressure : Density and specific weight , Dynamic and kinematic viscosity , Prandtl number , Specific heat (Heat capacity) , Thermal conductivity and thermal diffusivity , 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 , Oxygen , Propane and Water .
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