# Problem: Consider the reaction: N2(g) + 3H2(g) → 2NH3(g)Write the equilibrium constant expression for this reaction. If some hydrogen is added, before the reaction shifts, how will the numerator and denominator of the expression compare to the value at equilibrium?

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###### Problem Details

Consider the reaction: N2(g) + 3H2(g) → 2NH3(g)

Write the equilibrium constant expression for this reaction. If some hydrogen is added, before the reaction shifts, how will the numerator and denominator of the expression compare to the value at equilibrium?