Pure solid NH4HSE is placed in an evacuated container at 24.8°C. Eventually, the pressure above the solid reaches the equilibrium pressure 0.0184 atm due to the reaction NH,HSe(s) 2 NH;(g) + H,Se(g) (a) Calculate the equilibrium constant of this reaction at 24.8°C. (b) In a different container, the partial pressure of NH3(g) in equilibrium with NH,HSe(s) at 24.8°C is 0.0252 atm. What is the partial pressure of H,Se(g)?

Chemistry: The Molecular Science
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Author:John W. Moore, Conrad L. Stanitski
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Chapter16: Thermodynamics: Directionality Of Chemical Reactions
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Pure solid NH4HSE is placed in an evacuated container at
24.8°C. Eventually, the pressure above the solid reaches
the equilibrium pressure 0.0184 atm due to the reaction
NH,HSe(s) 2 NH;(g) + H,Se(g)
(a) Calculate the equilibrium constant of this reaction at
24.8°C.
(b) In a different container, the partial pressure of NH3(g)
in equilibrium with NH,HSe(s) at 24.8°C is 0.0252 atm.
What is the partial pressure of H,Se(g)?
Transcribed Image Text:Pure solid NH4HSE is placed in an evacuated container at 24.8°C. Eventually, the pressure above the solid reaches the equilibrium pressure 0.0184 atm due to the reaction NH,HSe(s) 2 NH;(g) + H,Se(g) (a) Calculate the equilibrium constant of this reaction at 24.8°C. (b) In a different container, the partial pressure of NH3(g) in equilibrium with NH,HSe(s) at 24.8°C is 0.0252 atm. What is the partial pressure of H,Se(g)?
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