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Which outcome reduces reaction completion rate in industrial ammonia synthesis reactor with iron catalyst operating near equilibrium?

A)Depletion of nitrogen partial pressure
B)Accumulation of product ammonia
C)Increased catalyst surface area
D)Elevated reactor operating temperature

💡 Explanation

When significant product ammonia accumulates, equilibrium shifts because the reverse reaction rate increases, opposing the forward synthesis reaction and reducing overall completion rate. Therefore accumulation of product inhibits the reaction, rather than reagent depletion, catalysts increasing, or solely high high temps which would increase rate constant independently.

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