Chemistry 9701 · AS & A Level · Chemical energetics

Chemical energetics — practice question

For the Br-O bond, the bond energy is $235\ \text{kJ mol}^{-1}$.\n\nWhich reactions are exothermic?

  • A1, 2 and 3
  • B1 and 2 only
  • C2 and 3 only
  • D1 only

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