Exothermic Endothermic

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Exothermic Endothermic

Quick quiz on equations of exothermic and endothermic reactions

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Questions and Answers
  • 1. 
    C6H12O6    +  6O2   à  6CO2   +    6H2O    ∆H  =  -2803 kJ  
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 2. 
    6CO2   +    6H2O    à  C6H12O6    +  6O2    ∆H  =  +2803 kJ  
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 3. 
    3NO2 +   H2O  à  2HNO3   +  NO  ∆H  =  - 138 kJ  
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 4. 
    C  +  H2O  à  CO  + H2      ∆Hrxn = + 113 kJ  
    Discuss
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 5. 
    CH4 + 2 O2 --> CO2 + 2 H20 + 213.2 KJ
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 6. 
    N2(g) + O2(g) + 43 kcal -----> 2 NO(g)
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 7. 
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 8. 
    C3H8(g) + 5 O2(g) à 3 CO2(g) + 4H2O(g) + 2200 kJ 
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 9. 
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 10. 
    If a reaction finishes with more energy than it started, it must be a
    Discuss
    • A. 

      Exothermic

    • B. 

      Endothermic

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