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← ScienceWhich outcome occurs when a catalyst is introduced to an endothermic reaction already at equilibrium?
A)Equilibrium shifts favoring the products
B)Equilibrium shifts favoring the reactants
C)Equilibrium position remains unchanged✓
D)Reaction immediately proceeds to completion
💡 Explanation
Catalysts lower the activation energy of both forward and reverse reactions equally; therefore, the equilibrium position remains unchanged because the forward and reverse reaction rates increase proportionately, rather than shifting towards products or reactants.
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