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← ScienceWhich reaction outcome accelerates when reactant concentration increases?
A)Increased frequency of effective collisions✓
B)Lowering the activation energy required
C)Shifting the equilibrium point unfavorably
D)Decreasing the average molecular kinetic energy
💡 Explanation
Increased reactant concentration causes a higher collision rate; therefore, the increased frequency of effective collisions speeds up the reaction because more molecules achieve activation energy, rather than kinetic energy changes causing acceleration.
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