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The formation of SO3 from SO2 and O2 is an intermediate step in themanufacture of sulfuric acid, and it is also responsible for theacid rain phenomenon. The equilibrium constant Kp for the reactionis 0.13 at 803 degrees, In one experiment , 2 mole SO2 and 2 mole O2 were initially present in a flask. What must be the total pressure at equilibrium in order to have an 72 % yield of SO3 ?
2SO2 (g) + O2 (g)-> 2SO3 (g)
You are given the following data. S(s) + 3/2 O2(g) → SO3(g) ΔH = -395.2 kJ 2 SO2(g) + O2(g) → 2 SO3(g) ΔH = -198.2 kJ Calculate ΔH
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