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Oxygen Gas - Specific Heat

Specific heat of Oxygen Gas - O2 - at temperatures ranging 175 - 6000 K

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Specific heat (or heat capacity) (C) is the amount of heat required to change the temperature of a mass unit of a substance by one degree.

  • Isobaric heat capacity  (Cp) is used for substances in a constant pressure (ΔP = 0) system.
  • Isochoric heat capacity  (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.

Specific heat of Oxygen Gas - O2 - at temperatures ranging 175 - 6000 K:

Oxygen Gas - O2
Temperature
- T -
(K)
Specific Heat
- cp -
(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 (Heat capacity) of  Air - at Constant Pressure and Varying TemperatureAir - at Constant Temperature and Varying PressureAmmonia, Butane, Carbon dioxide, Carbon monoxide, Ethane, Ethanol, Ethylene, Hydrogen, Methane, Methanol, Nitrogen, Propane and Water.

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