In the process below, all streams are mixtures of methane/carbon monoxide with molar compositions indicated on the flow chart in Figure 9-3. Calculate the material and energy balances and perform an entropy analysis of the mixing point, the heat exchanger, and of the entire process. The heat capacities of methane and carbon monoxide are C_PA = 40.8 J/mol K, and C_PB = 29.4 J/mol K, respectively.

Figure 9-3.

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A = 0₂ B = CO₂ 1 n₁ = 100 mol/min XA1 = 0.8 P₁ = 5 bar T₁ = 500 K 2 n3 = 70 mol/min XA3 = 1.0 P3 = 1 bar T3 = 500 K 3 o 4 P₂ = 1 bar (5) T5 = 300 K