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Which outcome reduces product quantity when perturbing Haber process equilibrium?

A)Increasing reaction vessel reactor cooling
B)Augmenting the reactor pressure
C)Reactant concentration significantly increasing
D)Increasing catalyst particle relative size

💡 Explanation

Increased inert solid size lowers surface area and process rate because the principle is heterogeneous catalysis occurring proportional inverse square to average grain radius given all other process constants; increasing overall reaction equilibrium goes forward rather than reverse. Therefore, coarsening catalyst particles decreases ammonia production output.

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