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Methane Gas - Specific Heat vs. Temperature

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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.
  • Isochoric 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.

Methane is a colorless, odorless gas with a wide distribution in nature. It is the principal component of natural gas, a mixture containing about 75% CH4, 15% ethane (C2H6), and 5% other hydrocarbons, such as propane (C3H8) and butane (C4H10).

Specific heat of Methane Gas - CH4 - at temperatures ranging 200 - 1100 K:

Methane Gas - CH4
- T -

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Specific Heat
- cp -
(kJ/(kg K))

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200 2.087
225 2.121
250 2.156
275 2.191
300 2.226
325 2.293
350 2.365
375 2.442
400 2.525
450 2.703
500 2.889
550 3.074
600 3.256
650 3.432
700 3.602
750 3.766
800 3.923
850 4.072
900 4.214
950 4.348
1000 4.475
1050 4.595
1100 4.708

See also other properties of Methane at varying temperature and pressure: Density and specific weight, Dynamic and kinematic viscosity, Thermal conductivity and Prandtl number, and Thermophysical properties at standard conditions,
as well as
Specific heat  of  Air - at Constant Pressure and Varying TemperatureAir - at Constant Temperature and Varying PressureAmmonia, Butane, Carbon dioxide, Carbon monoxide, Ethane, Ethanol, Ethylene, Hydrogen, Methanol, Nitrogen, Oxygen, Propane and Water.

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