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Which consequence results when excessive heat increases nitrous oxide decomposition?

A)Flame speed decreases drastically
B)Increased catalyst surface area
C)Runaway reaction accelerates rapidly
D)Equilibrium favors reactant reformation

💡 Explanation

Excessive heat provides energy driving the **chain branching** reactions faster, because more radicals overcome the activation energy barrier; therefore, the self-propagation accelerates, resulting in a thermal runaway, rapidly branching, rather than slower or reversed decomposition.

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