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← ScienceWhich effect on rocket propellant performance appears when combustion temperature plateaus during catalytic decomposition?
A)Reaction order shifting to zero
B)Increased erosion of nozzle throat
C)Inhibited chain branching reactions
D)Catalyst surface area limitation✓
💡 Explanation
Surface area limitation causes incomplete decomposition, reducing energy release because the available catalyst active sites are saturated, therefore, temperature plateaus, rather than continuing to rise with more propellant fed through, since contact is bottlenecked.
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