A mixture at equilibrium is heated and the equilibrium shifts towards the products. What kind of reaction is it?

Answer and explanation

Correct answer: D. An endothermic reaction

  1. Step 1: Heat is treated as a reactant in an endothermic reaction, so adding heat favours the products.
Answer
An endothermic reaction.
Why not the others: An exothermic reaction would shift the other way.

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