One lbmol of carbon reacts with 2 lbmol of oxygen (o2) to form an equilibrium mixture of co2, co, and o2 at 4640°f, 1 atm. for the equilibrium mixture, determine the number of moles of: (a) co nco = moles (b) co2 nco2 = moles (c) o2 no2 = moles