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← ScienceWhich outcome affects reaction speed given limited catalyst?
A)Rate plateaus with excess reactant✓
B)Equilibrium shifts toward products
C)Activation energy unexpectedly decreases
D)Reaction order appears lowered overall
💡 Explanation
The reaction rate plateaus because the limiting catalyst active sites become saturated; therefore, the rate won't further increase with more reactant, rather than the catalyst lowering the activation energy given a sufficient concentration.
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