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Material
Properties of Perfect Gases (PG-Model) (at 300 K) |
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Gas |
Formula |
Molar Mass |
Gas constant |
Spec. Heat at Const. Press. |
Spec. Heat at
Const. Vol. |
Spec. Heat
Ratio |
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R, kJ/kg · K |
cp, kJ/kg · K |
cv, kJ/kg · K |
k |
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Air |
-- |
28.97 |
0.287 |
1.005 |
0.718 |
1.4 |
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Argon |
Ar |
39.948 |
0.2081 |
0.5203 |
0.3122 |
1.667 |
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Butane |
C4H10 |
58.124 |
0.1433 |
1.7164 |
1.5734 |
1.091 |
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Carbon Dioxide |
CO2 |
44.01 |
0.1889 |
0.846 |
0.657 |
1.289 |
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Carbon Monoxide |
CO |
28.011 |
0.2968 |
1.04 |
0.744 |
1.4 |
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Ethane |
C2H6 |
30.07 |
0.2765 |
1.7662 |
1.4897 |
1.186 |
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Ethylene |
C2H4 |
28.054 |
0.2964 |
1.5482 |
1.2518 |
1.237 |
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Helium |
He |
4.003 |
2.0769 |
5.1926 |
3.1156 |
1.667 |
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Hydrogen |
H2 |
2.016 |
4.124 |
14.307 |
10.183 |
1.405 |
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Methane |
CH4 |
16.043 |
0.5182 |
2.2537 |
1.7354 |
1.299 |
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Neon |
Ne |
20.183 |
0.4119 |
1.0299 |
0.6179 |
1.667 |
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Nitrogen |
N2 |
28.013 |
0.2968 |
1.039 |
0.743 |
1.4 |
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Octane |
C8H18 |
114.231 |
0.0729 |
1.7113 |
1.6385 |
1.044 |
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Oxygen |
O2 |
31.999 |
0.2598 |
0.918 |
0.658 |
1.395 |
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Propane |
C3H8 |
44.097 |
0.1885 |
1.6794 |
1.4909 |
1.126 |
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Steam |
H2O |
18.015 |
0.4615 |
1.8723 |
1.4108 |
1.327 |
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Note: The unit kJ/kg · K is equivalent to kJ/kg · ºC |
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Source: www.nist.gov |
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