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activation energy, particle theory and collision theory
particle theory
states that all matter is made up of very small particles that are in constant motion
collision theory
states the events that need to occur for a successful chemical reaction to occur
collision theory event 1
particles must collide
collision theory event 2
must collide with sufficient force (energy)
collision theory event 3
they must collide with the correct orientation
activation energy
the minimum energy required for a chemical reaction to occur
exothermic reaction
a reaction where the energy of the reactants is higher than the energy of the products
endothermic reaction
a reaction where the energy of the reactants is lower than the energy of the products
