Gas Properties:



 

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Gas Properties

Gas k R
ft lb/lb°R
Density
cP*
Btu/lb°R
cV*
Btu/lb°R
lbm /ft3 lbm /std L
H2 1.40 766.6 0.00532 0.000188 3.420 2.435
He 1.66 386.1 0.01056 0.000373 1.250 0.754
Neon 1.66 76.6 0.0533 0.00188 0.248 0.150
Nat.Gas 1.22 79.2 0.0516 0.00182 0.560 0.458
N2 1.40 55.2 0.0739 0.00261 0.247 0.176
CO 1.41 55.2 0.0739 0.00261 0.243 0.172
Air 1.40 53.3 0.0764 0.00270 0.241 0.173
Ethane 1.21 51.4 0.0793 0.00280 0.386 0.320
O2 1.40 48.3 0.0845 0.00298 0.217 0.155
Argon 1.67 38.7 0.1053 0.00372 0.124 0.074
CO2 1.28 35.1 0.1162 0.00410 0.205 0.160
N2O 1.26 35.1 0.1162 0.00410 0.221 0.176
SO2 1.25 24.1 0.1691 0.00597 0.154 0.123
Freon-12 1.13 12.8 0.319 0.01127 0.145 0.129

*values at 68°F and 14.7 psia

cP = Specific heat at constant pressure
cV = Specific heat at constant volume
k =
Ratio of specific heats,
R =
Gas Constant,

 

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