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← ScienceWhich effect on reaction rate occurs because a catalyst introduces an alternative reaction pathway?
A)Lower activation energy requirement✓
B)Increased product equilibrium concentration
C)Higher reactant equilibrium concentration
D)Reduced reaction enthalpy change
💡 Explanation
A catalyst lowers the activation energy via stabilization of the transition state via an alternative reaction pathway, therefore increasing reaction rates because, with lower activation energy, a greater fraction of molecules have sufficient energy to react; rather than other effects.
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