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For The energy change of reactions (HT only), use bond energies to answer this comparison check: what is the energy transferred for H2 + Br2 -> 2HBr?

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practice

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Exothermic and endothermic reactions

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For The energy change of reactions (HT only), use bond energies to answer this comparison check: what is the energy transferred for H2 + Br2 -> 2HBr?.

  1. A.-103 kJ, exothermic
  2. B.103 kJ, endothermic
  3. C.0 kJ, no net energy change
  4. D.184 kJ, endothermic

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