A gas mixture required in an industrial process is
Chapter 12, Problem 12.39(choose chapter or problem)
A gas mixture required in an industrial process is prepared by first allowing carbon monoxide (CO) at \(80^{\circ} \mathrm{F}\), \(18 \mathrm{lbf} / \mathrm{in}^{2}\) to enter an insulated mixing chamber operating at steady state and mix with argon (Ar) entering at \(380^{\circ} \mathrm{F}\), \(18 \mathrm{lbf} / \mathrm{in}^{2}\) The mixture exits the chamber at \(140^{\circ} \mathrm{F}\), \(16 \mathrm{lbf} / \mathrm{in}^{2}\) and is then allowed to expand in a throttling process through a valve to \(14.7 \mathrm{lbf} / \mathrm{in}^{2}\) Determine
(a) the mass and molar analyses of the mixture.
(b) the temperature of the mixture at the exit of the valve, in \({ }^{\circ} \mathrm{F}\).
(c) the rates of exergy destruction for the mixing chamber and the valve, each in Btu per lb of mixture, for \(T_{0}=40^{\circ} \mathrm{F}\). Kinetic and potential energy effects can be ignored.
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