\"The properties of petroleum fluids 2nd eddition - Exercise 3-22\"A tank contai
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Question
"The properties of petroleum fluids 2nd eddition - Exercise 3-22"A tank contains methane at 1000psia and 140F. Another tank of equal volume contains ethane at 500psia and 140F. The two tanks are connected, the gases are allowed to mix and the temperature is restored to 140F. Calculate the final pressure, the composition of the mixture, and the partial pressures of the components at final conditions. Do not assume that ideal gas equations apply.
i try to solve to the question, and i end up with that solution " BUT i'm not sure"
Actually its petroluem engineer, but i didnt find it in the subjects list
Tank CH4 C2H6 Pressure 1000 500 Temperature 140 140 z-Factor 0.94 0.78 Note: z-Factor values obtained from Fig.3-2 for methane and Fig.3-3 for ethane (a) As the containers are connected, the final pressure is the average between them 1000+500 750 Psia Then, Find n of methane and n of ethane Pu = znRT 1000V ZT (0.94) (10.73159) (140 +460) 500 v mo n,-ZERT-(0.78)(10.73159)(140 + 460)-0.10 Therefore, the total number of moles ntot = ne+ nM-0.165V + 0.100V = 0.265V (b) Now, I can find the composition of methane and ethane 0.165V 0.265V 0.6226 62.3% Methane Composition = Ethane Composition (c) Calculate the partial pressure for Methane and Ethane Methane Partial pressure- Ethane Partial pressure0.265V 0.100 = 0.3773 = 0.265V = 0.3773 = 0.165v 750 x 750 283.02 Psia x750 466.98 Psia 0.100V essureExplanation / Answer
yes it is correct .
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