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← ScienceWhich result occurs when a fixed-volume reactor reaches equilibrium?
A)Forward and reverse rates equalize✓
B)Reactant concentration drops to zero
C)Product partial pressure maximizes
D)Temperature begins uncontrolled runaway
💡 Explanation
At equilibrium, the rate of the forward reaction equals the reverse reaction, because this dynamic `equilibrium` involves ongoing transformations rather than cessation; therefore, forward and reverse rates equalize; whereas, others represent non-equilibrium states during active reaction.
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