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Which of the following is an example of an exothermic reaction?

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Remember: Exothermic reactions release energy, while endothermic reactions absorb energy. Combustion reactions are usually exothermic.
Updated On: Nov 26, 2025
  • \( \text{H}_2 + \text{Cl}_2 \rightarrow 2 \, \text{HCl} \)
  • \( \text{N}_2 + 3 \, \text{H}_2 \rightarrow 2 \, \text{NH}_3 \)
  • \( \text{C}_6\text{H}_6 + 15 \, \text{O}_2 \rightarrow 6 \, \text{CO}_2 + 3 \, \text{H}_2\text{O} \)
  • \( \text{N}_2 + 3 \, \text{H}_2 \rightarrow 2 \, \text{NH}_3 \)