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← ScienceWhich outcome occurs when an endothermic reaction in a closed system reaches equilibrium, and temperature is increased?
A)Equilibrium shifts towards product formation✓
B)Equilibrium shifts towards reactant formation
C)Equilibrium constant value decreases
D)Reaction rate decreases momentarily then increases
💡 Explanation
When temperature increases, the equilibrium shifts according to Le Chatelier's principle, favoring the endothermic reaction because the system tries to absorb the added heat, producing more products. Therefore product formation increases, rather than reactant formation, a decreased equilibrium constant, or an initial rate decreases, all requiring conditions that don't drive endothermic activity..
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