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Which risk increases when the Arrhenius equation predicts exceedingly high reaction rates at extremely elevated temperatures within a chemical reactor?

A)Runaway chain branching explosion
B)Catalyst thermal deactivation occurs
C)Equilibrium favors reactant regeneration
D)Viscosity gradients inhibit diffusion

💡 Explanation

A runaway chain branching explosion increases because the exponential temperature dependence rapidly accelerates propagation steps, quickly raising temperature; therefore, the speed increases rather than the reactions equilibrating because the reagents get consumed.

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