An exothermic reaction at equilibrium is heated. According to Le Chatelier's principle, what happens?

Answer and explanation

Correct answer: B. The equilibrium shifts toward the reactants, absorbing heat

  1. Step 1: Heat acts like a product in an exothermic reaction. Step 2. Adding heat favours the endothermic, reverse direction. Answer: Toward the reactants. Why not the others: Temperature is the one factor that also changes the equilibrium constant.

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