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← ScienceWhich outcome dominates when a continuous stirred-tank reactor (CSTR) operates far above its designed heat transfer limitation under exothermic reaction?
A)Thermal runaway accelerates quickly✓
B)Equilibrium shifts favoring reactants
C)Reaction rate is consistently stable
D)Kinetic constant effectively diminishes
💡 Explanation
Thermal runaway occurs in a CSTR above heat transfer limits because the elevated temperature massively increases the reaction rate via the Arrhenius equation. Reaction rate accelerating leads to further heat generation; therefore runaway occurs rather than equilibrium, limited kinetic constant, or stable reaction rate.
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