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← ScienceWhich outcome occurs when a platinum catalyst's surface area dramatically decreases during an exothermic chemical reaction?
A)Lowered reaction energy yield✓
B)Increased frequency oscillations
C)Maintained original endpoint equilibrium
D)Greater system-wide entropy generated
💡 Explanation
Lower reaction energy yield occurs because the decreased surface area reduces catalytic sites, thus diminishing the effective collisions and *reaction rate*, as it constrains turnover. Therefore, less product is formed, impacting yield, rather than alternative changes in system oscillations or entropy
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