Ammonium hydrogen sulfide decomposes according to the following reaction, for which Kp = 0.11 at 250ºC: NH4HS(s) H2S(g) + NH3(g) If 55.0 g of NH4HS(s) is placed in a sealed 5.0-L container, what is the partial pressure of NH3(g) at equilibrium

0.33 atm

Explanation:

Equation for the reaction is expressed as follows:

     ⇄    

= 0.11

The equilibrium constant for the reaction can be represented as:

=

= 1   since it is solid and solid and it is known that any solid has uniformity at equilibrium.

So; =

At equilibrium ;

Let x =

So;

=

=

atm

Therefore,  the partial pressure of NH3(g) at equilibrium = 0.33 atm

answer is: naturally occurring solid, inorganic compound or element is mineral.

minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).