Ethane (C2H6) in gas phase flows stationary into a straight pipe at 400 K and 6 MPa. The gas is cooled at constant pressure and the temperature decreases to 305 K at the outlet. The mass flow is 2.5 kg/s. a) Calculate the volume flow and density of the gas at the inlet and the volume flow at the outlet with it ideal gas equation. b) Use it to calculate the volume flow and density of the gas at the inlet and the volume flow at the outlet generalized compressibility diagram and compressibility factor. c) Calculate the deviation between the results in a) and b)

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