Methane (CH4) at 77F, 1 atm enters an insulated reactor
Chapter 13, Problem 13.82(choose chapter or problem)
Methane (\(\mathrm{CH}_{4}\)) at \(77^{\circ} \mathrm{F}\), 1 atm enters an insulated reactor operating at steady state and burns completely with air entering in a separate stream at \(77^{\circ} \mathrm{F}\), 1 atm. The products of combustion exit as a mixture at 1 atm. For the reactor, determine the rate of entropy production, in Btu/R per lbmol of methane entering, for combustion with
(a) the theoretical amount of air.
(b) 200% of theoretical air.
Neglect kinetic and potential energy effects.
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