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← ScienceWhich outcome results when excess reactant energy bypasses effective heat conductance?
A)Accelerated autocatalysis exceeds thermal management limits✓
B)Reaction equilibrium shifts towards reactants
C)Rate constant decreases due to steric hindrance
D)Increased selectivity toward desired products
💡 Explanation
Runaway reactions occur because bypassing heat dissipation increases reactant temperature, therefore accelerating autocatalysis. This positive feedback loop escalates beyond thermal management limits, rather than changing equilibrium or selectivity, which depend on different constraints.
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