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← ScienceWhich outcome occurs when positive activation energy nears zero?
A)Reaction rate reaches equilibrium
B)Equilibrium constant nears unity
C)Rate constant approaches its maximum✓
D)Reverse reaction becomes very endothermic
💡 Explanation
A very low or zero activation energy allows the rate constant to approach to its maximum value, because the Arrhenius equation dictates an exponential relationship; therefore, the forward rate greatly increases, rather than equilibrating or affecting the reverse direction.
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