H₂S, 3% of N₂ and 4% of CO2. Unknown amount of the gas measured at 14.7 Psia and 60 °F was lost from the cell through a leaky valve, as the pressure and temperature in the cell dropped to 2000 psia and 120 °F. Calculate the gas deviation factor (Z) at the final conditions (2000 Psia at 120 °F)? Calculate the gas compressibility (Cg) at the final conditions. How many SCF of the gas were lost from the tank?
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