Question

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 ΔG∘f (kJ/mol) ΔH∘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

Part A

Calculate the equilibrium constant Kp for the reaction at a temperature of 298

Part D

Using relative enthalpy and entropy values, determine how the process is affected after each of the following temperature or pressure changes? Consider that a more effective reaction produces more product or more product in a shorter amount of time.

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Reset a)Temperature increases while maintaining the container size. b)Pressure decreases by increasing the container size. c)Pressure increases by decreasing the container size. d)Temperature decreases while maintaining the container size. More effective Less effective Equally effective

Answer 1