The following decomposition reaction of ammonium hydrogen sulfide is an endothermic process. A 6.1589 g sample of the solid is placed in an evacuated 4.000 L vessel at exactly 24 °C. After equilibrium has been established, the total pressure inside the vessel is 0.709 atm. Some solid NH4HS remains in the vessel. NH4HS (s) ⇌ NH3 (g) + H2S (g) a) Calculate the equilibrium constant, Kp value for the reaction. b) Determine the percentage of the solid has decomposed. c) If the volume of the vessel were doubled at constant temperature, find the number of mol of NH4HS left

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