Specific Heat Ratio
The Specific Heat Ratio of the gas mixture can be found by calculating the weighted average utilizing the mole ratio of the mixture and the known specific heat ratio for each type of gas present.
CO2 (Carbon Dioxide): 1.289 N2 (Nitrogen): 1.4
H2S (Hydrogen Sulfide): 1.32 C1H4 (Methane): 1.304
C2H6 (Ethane): 1.187 C3H8 (Propane): 1.130
C4H10 (Butane): 1.094 C5H12 (Pentane): 1.070
C6H14 (Hexane): 1.060 C7H16 (Heptane): 1.050
C8H18 (Octane): 1.050