Question: 2. A binary mixture consisting of 50.7 mol % n-butane (1) and the balance iso-butane (2) enters a flash chamber operating at 9.6 bar and
2. A binary mixture consisting of 50.7 mol % n-butane (1) and the balance iso-butane (2) enters a flash chamber operating at 9.6 bar and 344 K. Use the truncated virial equation of state (equation 3.36 in your textbook) to estimate the composition of the vapor and liquid phases leaving the flash chamber. You can assume both gas and liquid phase to be ideal mixtures and use Lewis-Randall rule for the gas phase. Also assume the Ponying correction to be negligible. Data: B = -517 cm3/mol and B2 = -452.7 cm3/mol
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