Question: Question 7 A rigid vessel initially contained carbon dioxide (CO2) gas at 32OC and pressure P. Ethylene (C2H4) gas is pumped into the tank until

Question 7 A rigid vessel initially contained carbon dioxide (CO2) gas at 32OC and pressure P. Ethylene (C2H4) gas is pumped into the tank until a mixture of 20 mol% CO2 and 80 mol% C2H4 is produced within the tank at 43OC and 110 bars. Calculate: i) The volume of the tank using the Kays rule [8 marks] ii) The value of initial pressure P of CO2 [5 marks] [Data: Critical values:- TC (CO2) = 304.25K; TC (C2H4) = 282.4K; PC (CO2) = 7.38 MPa; PC (C2H4) = 5.04 MPa;]

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