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← ScienceWhich outcome results when inert Argon gas increases reactor pressure?
A)Equilibrium shifts towards fewer gas molecules✓
B)Reaction rate increases for all reactants
C)Catalyst selectivity becomes more effective
D)Activation energy threshold becomes lower
💡 Explanation
The equilibrium shifts due to Le Chatelier's principle; an increase in pressure favors the side with fewer gas molecules. Therefore, fewer moles appear, rather than a generalized rate increase because the partial pressures of reactants remain unchanged.
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