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← ScienceWhich consequence results when an uncooled chemical microreactor's exothermic reaction enthalpy threshold rises with increased throughput?
A)Runaway reaction rate acceleration✓
B)Catalyst surface area increases
C)Equilibrium shifts toward reactants
D)Reduced activation energy barrier
💡 Explanation
Thermal runaway occurs, because increased throughput raises the reaction rate and enthalpy, driving exponential temperature increases. This outcome results in uncontrolled rate **acceleration of an exothermic reaction**, therefore a runaway occurs, rather than reaching equilibrium or altering catalyst properties without proper cooling measures.
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