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May 29, 2015

Homework Help: Chemistry

Posted by Paul on Thursday, January 13, 2011 at 2:14pm.

NH4HS(s) NH3(g) + H2S(g) ∆H_ = +93 kilojoules

The equilibrium above is established by placing solid NH4HS in an evacuated container at 25C. At equilibrium, some solid NH4HS remains in the container. Predict and explain each of the following.


(a) The effect on the equilibrium partial pressure of NH3 gas when additional solid NH4HS is introduced into the container

b) The effect on the equilibrium partial pressure of NH3 gas when additional solid H2S is introduced into the container


c) The effect on the mass of solid NH4HS present when the volume of the container is decreased
(d) The effect on the mass of solid NH4HS present when the temperature is increased.

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