Consider the following reaction: NH4HS( s )NH3( g )+H2S( g ) An equilibrium mixt

Question

Consider the following reaction:
NH4HS(s)NH3(g)+H2S(g)
An equilibrium mixture of this reaction at a certain temperature was found to have [NH3]= 0.272 Mand [H2S]= 0.370 M .

Part A

What is the value of the equilibrium constant (Kc) at this temperature?

Consider the following reaction:
NH4HS(s)NH3(g)+H2S(g)
An equilibrium mixture of this reaction at a certain temperature was found to have [NH3]= 0.272 Mand [H2S]= 0.370 M .

Part A

What is the value of the equilibrium constant (Kc) at this temperature?

Explanation / Answer

equilibrium constant = K = [NH3][H2S]

The activity of solids and liquids is one so they cannot participate in equilibrium constant expression. so solid NH4HS does not invovle in equilibrium constant expression.

K = (0.272)*(0.370) = 0.100

Therefore, the value of equilibrium constant is 0.100

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