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← ScienceWhich outcome increases when a reaction's activation energy decreases?
A)Reaction rate constant increases sharply✓
B)Equilibrium constant exhibits no change
C)Pre-exponential factor remains unchanged
D)Products' thermodynamic stability sharply decreases
💡 Explanation
Decreased activation energy increases the reaction rate constant, because Arrhenius's equation dictates an exponential relationship. Therefore, more reactions will occur for a given energy input, rather than changes elsewhere, when temperature-independent factors hold.
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