3.23. Endothermic Reactions http://www.ck12.org
FIGURE 3.35
Vocabulary
- endothermic reaction: Chemical reaction that needs a constant input of energy to continue because it takes
more energy to break bonds in the reactants than is released when new bonds form in the products.
Explore More
Watch the series of slides and animations at the following URL. Then compare the energy changes in the reaction of
baking soda with vinegar and the reaction of baking soda solution with calcium chloride.
http://www.inquiryinaction.org/chemistryreview/chemical_change/
Review
- What is an endothermic reaction?
- Why is the temperature of products likely to be lower than the temperature of reactants in an endothermic
reaction? - Describe an example of an endothermic reaction.