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← ScienceWhich consequence results when a catalyst deactivates within a fixed-volume batch reactor?
A)Equilibrium shifts toward reactants
B)Activation energy requirements increase
C)Overall reaction enthalpy changes
D)Forward reaction rate decelerates✓
💡 Explanation
Deactivation lowers available active sites, therefore the forward reaction rate decelerates due to decreased effective concentration; the equilibrium remains unchanged because thermodynamic factors, rather than kinetics, dictate equilibrium limits.
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