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← ScienceWhich outcome occurs when an exothermic chemical reaction lacks sufficient activation energy?
A)Reaction proceeds extremely slowly✓
B)Equilibrium constant becomes zero
C)Products revert rapidly to reactants
D)Chain reaction accelerates uncontrollably
💡 Explanation
Without adequate activation energy, reactants cannot overcome the energy barrier to form products because the reaction rate depends exponentially on temperature through the Arrhenius equation; therefore the reaction rate slows significantly, rather than equilibrium shifting or faster reactive processes occuring.
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