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Which outcome changes when inhibiting a reaction's mass-transport limited regime?

A)Observed rate constant decreases
B)Equilibrium constant rises quickly
C)Activation energy becomes elevated
D)Gibbs free energy shifts slightly

💡 Explanation

The observed rate constant decreases if mass transport becomes limited, because reactants can't reach the active sites as efficiently. This is due to mass transport being a limiting factor, therefore the observed rate constant drops rather than being thermodynamically limited or affected.

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