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Phosgene, COCl2, gained notoriety as a chemical weapon in World War I. Phosgene is produced by...

Phosgene, COCl2, gained notoriety as a chemical weapon in World War I. Phosgene is produced by the reaction of carbon monoxide with chlorine, CO(g) + Cl2(g) <-------> COCl2(g) The value of Kc for this reaction is 6.61 at 500 K. What are the equilibrium partial pressures of the three gases if a reaction vessel initially contains a mixture of the reactants in which PCO = 0.273 atm, PCl2 = 0.255 atm and PCOCl2 = 0.000 atm?

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