Solid NH4HS is introduced into an evacuated flask at 24 ∘C. The following reaction takes place: NH4HS (s) ⇌NH3 (g) + H2S (g) At equilibrium the total pressure (for NH3 and H2S taken together) is 0.614 atm.

Question

Chemistry

Lindsey King

27 April, 23:42

Solid NH4HS is introduced into an evacuated flask at 24 ∘C. The following reaction takes place: NH4HS (s) ⇌NH3 (g) + H2S (g) At equilibrium the total pressure (for NH3 and H2S taken together) is 0.614 atm.

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Answers (1)

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Harper Bradford · Answer 1

0.09425

Explanation:

The reactant is in solid phase and therefore has zero partial pressure.

The products have the same mole ratio (1:1) and will have the same partial pressure = 1/2 * 0.614 atm = 0.307 atm

Kp = (NH3) (H2S) = 0.09425