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← ScienceWhich outcome arises when adjusting the impeller speed in a CSTR nearing chemical equilibrium?
A)Localized super saturation precipitates rapidly
B)Equilibrium shifts favouring exothermic reactants
C)The reaction remains macroscopically at equilibrium✓
D)Diffusion limitations prematurely halt completion
💡 Explanation
Macroscopically, agitation doesn’t shift equilibrium but only speeds its attainment; mass action determines equilibrium. The **Le Chatelier's Principle** implies that changing impeller speed won’t shift the macroscopic equilibrium because its not a component. Therefore, the reaction at equilibrium persists microscopically rather than changing the equilibrium composition.
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