State gibbs free energy and equilibrium the reaction

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Reference no: EM13181517

± Gibbs Free Energy and Equilibrium The reaction SO2(g)+2H2S(g)?3S(s)+2H2O(g) is the basis of a suggested method for removal of SO2 from power-plant stack gases. The values below may be helpful when answering questions about the process. Substance ?G?f (kJ/mol) ?H?f (kJ/mol) H2O(g) ?228.6 ?241.8 H2O(l) ?237.1 ?285.8 SO2(g) ?300.4 ?296.9 SO3(g) ?370.4 ?395.2 H2S(g) ?33.01 ?20.17 S(s) 0 0 Assume that the partial pressure of sulfur dioxide, PSO2, is equal to the partial pressure of dihydrogen sulfide, PH2S, and therefore PSO2=PH2S. If the vapor pressure of water is 24torr , calculate the equilibrium partial pressure of SO2 (PSO2) in the system at 298 K. Express the pressure in atmospheres to two significant figures.

Reference no: EM13181517

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