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← ScienceWhich outcome occurs when a catalyst is introduced to a reversible chemical reaction at equilibrium?
A)Equilibrium shifts to favor reactants
B)Activation energy of both pathways reduces✓
C)Equilibrium constant value changes significantly
D)Potential energy of products gets reduced
💡 Explanation
When a catalyst is added, the activation energy for both the forward and reverse reactions decreases equally because it lowers the required energy for the transition state, accelerating both reactions. Therefore, the reaction reaches equilibrium faster, rather than shifting it, or changing the equilibrium constant which are thermodynamic properties.
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