The Keq for the reaction N₂ + 3H2 = 2NH3 if the equilibrium concentrations are Keq = 1.5. The correct option is D.
What is Keq?
Keq is the ratio of the concentration of reactant to the concentration of the product.
The balanced equation is
N₂ + 3H₂ = 2NH₃
The equilibrium constant is [tex]\rm \dfrac{[NH_3]^2}{[N_2]\; [H_2]^3}[/tex]
The given concentrations of the compounds have been:
Ammonia = 3 M
Nitrogen = 1 M
Hydrogen = 2 M
[tex]\rm \dfrac{9}{1\times 8} = 1.5[/tex]
Thus, the correct option is D. Keq = 1.5.
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