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What two things need to be present for reactions to occur?
Collisions, Collisions with proper orientation
When a bond is breaking, is it endo or exo, and is energy being given to or taken from the surroundings?
Endo, energy is given off to surroundings
When a bond is forming, is it endo or exo, and is energy being given to or taken from the surroundings?
Exo, energy taken from surroundings
On the reaction pathway, name the normal steps (A-E &Ea)
Step A = reactants, Step B = Activated complex, Ea, Step C = intermediate (more stable than B & D), Step D = activated complex, Ea, Step E = Products, Step Ea = Reverse, D, C, etc..
Why does k increase with increasing temperatures?(4 reasons)
1. Greater avg velocity & greater avg KE, 2. Increases in frequency of collisions, 3. Increase in number of collisions with proper orientation, 4. Increases number of collisions with sufficient energy
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