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← ScienceWhich rate-altering condition results from reduced reactant collisions?
A)Decreased overall reaction rate✓
B)Increased activation energy threshold
C)Exothermic reaction rate stability
D)Endothermic initiation phase decrease
💡 Explanation
A lower collision frequency directly reduces the likelihood of successful reactions through reduced reactant concentration decreasing the overall reaction rate, because collision theory links reaction rate to collision frequency; therefore rate decreases rather than reactions changing energy requirements or thermal properties.
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