For the reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g), write the expression for the reaction quotient, Qc.Select one:a.[NH₃] ² / [N₂][H₂]³b.[NH₃] / [N₂][H₂]³c.[N₂][H₂]³ / [NH₃]²d.[NH3] ² / [N₂] + [H₂]³
Question
For the reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g), write the expression for the reaction quotient, Qc.Select one:a.[NH₃] ² / [N₂][H₂]³b.[NH₃] / [N₂][H₂]³c.[N₂][H₂]³ / [NH₃]²d.[NH3] ² / [N₂] + [H₂]³
Solution
The reaction quotient, Qc, for the given reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g), is given by the formula:
Qc = [Products]^(coefficients) / [Reactants]^(coefficients)
In this case, the product is NH₃ and the reactants are N₂ and H₂. The coefficients from the balanced chemical equation are 2 for NH₃, 1 for N₂, and 3 for H₂.
So, the expression for Qc becomes:
Qc = [NH₃]^2 / ([N₂]^1 * [H₂]^3)
Therefore, the correct answer is:
a. [NH₃] ² / [N₂][H₂]³
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