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Question 1

What is the name and symbol of the unit of energy used in energy problems?. Question 1. Is energy taken in or given out when bonds break?. Question 2. Are all bond energies the same?. Question 3. Does this energy level diagram show an exothermic or an endothermic reaction?.

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Question 1

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  1. What is the name and symbol of the unit of energy used in energy problems? Question 1

  2. Is energy taken in or given out when bonds break? Question 2

  3. Are all bond energies the same? Question 3

  4. Does this energy level diagram show an exothermic or an endothermicreaction? Question 4

  5. Question 5 Is energy taken in or given out when bonds are made?

  6. Question 6 What do we call the minimumamount of energy needed for a reaction to start?

  7. Question 7 Does this energy level diagram show an exothermic or an endothermicreaction?

  8. Question 8 The reaction below is exothermic. Which involves the most energy, bond breaking or bond making?

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