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← ScienceWhich phenomenon causes decreased reaction duration when surface area increases?
A)Increased collision frequency✓
B)Lower activation energy
C)Altered equilibrium constants
D)Higher reactant concentration
💡 Explanation
Increased surface area provides more area for reactant molecules to collide via collision theory, therefore reaction duration decreases, because the *collision frequency* is more important for heterogenous catalysis, rather than effects on equilibrium or activation energy.
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