1. Reaction Rates
Factors, Activation Energy, Le Chatelier’s Principle, Kinetic-Molecular Theory, Collisions Theory of Gases

2. Factors Affecting Reaction Rates
Temperature - hotter temps react faster
Surface area – smaller pieces react faster
Catalysts – speeds up reaction
Inhibitors – slows down reaction
Concentration – higher conc speeds up reaction
Nature of reactants – more reactive elements speed up reaction

3. Activation Energy
Definition: the minimum amount of energy required to start a chemical reaction
Energy of activation

4. LeChatelier’s Principle
Deifinition: when a system at equilibrium is subjected to a stress, the system will shift its equilibrium point in order to relieve the stress
Stresses include a change in:
Pressure
Concentration
Temperature

5. Kinetic-Molecular Theory
Definition: explains that the behavior of physical systems depends on the combined actions of the molecules constituting the system
Expansion, Fluidity, Low Density, Compressibility, Diffusion and Effusion

6. Collisions Theory of Gases
Definiton: the number of new compounds formed in a chemical reaction is equal to the number of molecules that collide, multiplied by a constant that corrects for low-energy collisions
Must be the right speed (activation energy requirement), and right orientation (direction)