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Thheat oreactiofor A+ 2O2AOis-50Kcal and AO+2O2AOis100Kcal.Thheaoreaction

  1. 50Kcal    
  2. +50Kcal    
  3. 100Kcal    
  4. 150Kcal    

The correct answer is: +50Kcal

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