Consider a device to separate the components of synthesis gas (mixture of H2 and CO). The molar fraction of CO is denoted by y and varies between 0.05 and 0.5. The mixture enters the device at 200 m3 s−1, 100 ◦C and 20 bar. The separated components exit at 100 ◦C and 20 bar. Questions: (a) Compute the minimum theoretical rate of work Pmin to be supplied to the device as a function of y. Hint: use the Gibbs function. (b) Plot Pmin as a function of y.

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