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Which outcome occurs within a Haber-Bosch reactor when the catalyst degrades through sintering?

A)Increased activation energy requirement
B)Exothermic reaction heat decreases
C)Higher equilibrium constant obtained
D)Enthalpy change becomes more negative

💡 Explanation

Increased activation energy occurs because *sintering* reduces surface area, decreasing active sites. Ammonia production efficiency falls; therefore, a higher energy input becomes necessary rather than altered heat release or more favorable equilibrium constants.

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