$200$ L$/$min flow through a pipe at $5$ atm and $170\backslash$deg C of a mixture of CO$,$ CO$2,$ N$2,$ and O$2$ with the following weight composition: $30\%,7\%,28\%,$ and $35\%,$ respectively, which it is mixed with another air line containing $21\%$ mol of O$2$ and $79\%$ mol of N$2,$ at $120$ L$/$min at $30\backslash$deg C and $2\mathrm{.}8$ atm; The output mixture is known to be at $110\backslash$deg C and $3$ atm. a$)$ the total molar flow of the output stream mol$/$minb$)$ the composition in mole fraction of each gas in the exit flowc$)$ heat requirements in the mixer kW

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