A chemical reaction involves the breaking apart of bonds in the reactants and then the rearrangement of the atoms to form the products. This process requires the input and output of energy. Duration: 4:32.
VIDEO CHECK QUESTIONS
9.8a What is the difference between an exothermic and endothermic reaction?
9.8b Why is it difficult for a diatomic nitrogen molecule to participate in a chemical reaction?
9.8c What symbols are used to indicate whether a reaction has consumed or released energy?
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