2 SO2(g) + O2(g) ⇌ 2SO3(g); Kp = 0.25
Step 1. Construct an ICE table.
At 1100 K, Kp = 0.25 for the reaction
2SO2(g) + O2(g) ⇌ 2SO3(g)
Calculate the equilibrium partial pressures of SO2, O2, and SO3 produced from an initial mixture in which PSO2 = PO2 = 0.50 atm and PSO3 = 0. (Hint: If you don’t have a graphing calculator, then use the method of successive approximations to solve, as discussed in Appendix 1.4.)
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