7.3 Exothermic and Endothermic Reactions. Review Stuff from 7.1. Chemical reactions involve the breaking of chemical bonds in the reactants and the formation of chemical bonds in the products . Reactants are on the left side Products are on the right side. Law? What law?.
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This is defined as……….?
Law of Conservation of Mass
VOCABULARY FOR 7.3
energy is released
energy is absorbed
The reaction requires heat, which it absorbs from the surroundings (the water). This causes the water temperature to decrease.
This reaction cn be identified as…….
Ha ha – get it?