Chemistry 0620 · IGCSE · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

Which row gives the energy-level diagram and the energy change for an exothermic reaction?

  • Areactants higher than products; energy is absorbed
  • Breactants higher than products; energy is released
  • Creactants lower than products; energy is absorbed
  • Dreactants lower than products; energy is released

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