1. Chemistry of Life
2.4 Chemical Reactions

2. I) Chemical Reaction:
Change substance into different substance by breaking and forming chemical bonds
Reactant
Product

3. Bond Energy Video II) Bond Energy:
Amount of energy that will break bond between two atoms
Bond Energy Video

4. Activation Energy Video
III) Exothermic reactions: Heat is released
Activation Energy Video

5. IV) Endothermic reaction: Heat is absorbed

6. IV) Endothermic reaction: Heat is absorbed

8. V) Equilibrium: is reached when both the reactants and products are made at the same rate