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Course: High school chemistry > Unit 3

Lesson 3: Energy of chemical reactions
Science
High school chemistry
Chemical reactions
Energy of chemical reactions
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Understand: energy of chemical reactions

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Problem

Burning charcoal to cook food on a grill is an example of an exothermic reaction.
Flipping chicken on a flaming hot charcoal grill at a barbecue.
Cooking on a flaming hot charcoal grill
Complete the statements.
  • Exothermic reactions result in an overall
    of energy by a system.
  • This means that the energy released as the product bonds form is
    the energy required to break the bonds in the reactants.
  • As a result of this energy change, exothermic reactions cause the temperature of their surroundings to
    .