Properties of Various Ideal Gases

Properties of Various Ideal Gases

Properties of Various Ideal Gases (at 300 K) (http://www.ohio.edu/mechanical/thermo/property_tables/gas/idealGas.html)

 

Properties of Various Ideal Gases (at 300 K)

Gas

Formula

Molar Mass

Gas constant

Specific Heat at Const. Press.

Specific Heat at Const. Vol.

Specific HeatRatio

M[kg/kmol]

R[kJ/kg.K]

Cp[kJ/kg.K]

Cv[kJ/kg.K]

k = Cp/Cv

Air

--

28.97

0.287

1.005

0.718

1.4

Argon

Ar

39.948

0.2081

0.5203

0.3122

1.667

Butane

C4H10

58.124

0.1433

1.7164

1.5734

1.091

Carbon Dioxide

CO2

44.01

0.1889

0.846

0.657

1.289

Carbon Monoxide

CO

28.011

0.2968

1.04

0.744

1.4

Ethane

C2H6

30.07

0.2765

1.7662

1.4897

1.186

Ethylene

C2H4

28.054

0.2964

1.5482

1.2518

1.237

Helium

He

4.003

2.0769

5.1926

3.1156

1.667

Hydrogen

H2

2.016

4.124

14.307

10.183

1.405

Methane

CH4

16.043

0.5182

2.2537

1.7354

1.299

Neon

Ne

20.183

0.4119

1.0299

0.6179

1.667

Nitrogen

N2

28.013

0.2968

1.039

0.743

1.4

Octane

C8H18

114.231

0.0729

1.7113

1.6385

1.044

Oxygen

O2

31.999

0.2598

0.918

0.658

1.395

Propane

C3H8

44.097

0.1885

1.6794

1.4909

1.126

Steam

H2O

18.015

0.4615

1.8723

1.4108

1.327

Adapted from TEST (The Expert System for Thermodynamics) <www.thermofluids.net> by S.Bhattacharjee, San Diego State University

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