Chemistry 0620 · IGCSE · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

The energy level diagram indicates the energies of the reactants and products in a chemical reaction. Which row gives the correct energy change and the type of reaction shown?

  • Aenergy is given out to the surroundings; endothermic
  • Benergy is given out to the surroundings; exothermic
  • Cenergy is taken in from the surroundings; endothermic
  • Denergy is taken in from the surroundings; exothermic

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