Collision theory
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4 Terms
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when will a reaction happen?
2 molecules must be in close proximity
correct part of the molecules must collide - with enough energy to react
correct part of the molecules must collide - with enough energy to react
2
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steric factor
location of a collision matter
3
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activation energy
minimum energy needed for a reaction to happen
breaks bonds in the reactants before new bonds can form in the products
breaks bonds in the reactants before new bonds can form in the products
4
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enthalpy profiles
shows progress of reaction on x-axis and energy level on y-axis and contains:
relative enthalpies of reactants and products
activation energy of a reaction
overall enthalpy change of a reaction
relative enthalpies of reactants and products
activation energy of a reaction
overall enthalpy change of a reaction
Note 
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