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← ScienceWhich outcome occurs when compressing a gaseous reaction mixture increasing exothermicity?
A)Equilibrium shifts toward product formation✓
B)Forward and reverse rates remain unchanged
C)Equilibrium shifts toward reactant formation
D)Only the reverse reaction rate increases
💡 Explanation
Compressing shifts equilibrium via Le Chatelier's principle, because increasing pressure favors fewer gas molecules; therefore, product formation is promoted when exothermic, rather than increased reverse reaction, which requires less pressure or unchanged rates with catalysis.
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