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Ethylene Gas - Specific Heat vs. Temperature

Specific heat of Ethylene Gas - C2H4 - temperatures ranging 175 - 900 K.

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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 figures and the table below.

Isobaric, CP, and isochoric, CV, specific heat of ethylene at gas-liquid equilibrium pressure and varying temperature, °C and °F:

Ethylene specific heat Cp Cv equilibrium C

Ethylene specific heat Cp Cv equilibrium F

Isobaric, CP, and isochoric, CV, specific heat  of ethylene at atmospheric pressure and varying temperature, °C and °F:

Ethylene specific heat Cp Cv 1 bara C

Ethylene specific heat Cp Cv 1 bara F

Specific heat of Ethylene Gas - C2H4 - at temperatures ranging 175 - 900 K:

Ethylene Gas - C2H4
- T -
Specific Heat
- cp -
(kJ/(kg K))
175 1.295
200 1.305
225 1.337
250 1.380
275 1.453
300 1.535
325 1.621
350 1.709
375 1.799
400 1.891
450 2.063
500 2.227
550 2.378
600 2.519
650 2.649
700 2.770
750 2.883
800 2.989
850 3.088
900 3.180

See also other properties of Ethylene at varying temperature and pressure: Density and Specific Weight, Dynamic and kinematic viscosity and Thermal conductivity,  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, Hydrogen, Methane, Methanol, Nitrogen, Oxygen, Propane and Water.

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