In the contact process, sulfuric acid is manufactured by first oxidizing SO2 to SO3, that is then reacted with water. The reaction of SO2 with oxygen is: 2 SO2 (g) + O2 (g) = 2 SO3 (g) A 2.000L flask was filled with 0.04000 mol SO2 and 0.02000 mol O2. At equilibrium at 900K, the flask contained 0.0296 mol SO3. a) What is the value of Kc(little c maybe for Celsius?) for this reaction at 900k? b) What is the equilibrium pressure of SO2 in the vessel?

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