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Branch of chemistry that deals with the rates of chemical reactions TOPIC 8 Review Book.

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Presentation on theme: "Branch of chemistry that deals with the rates of chemical reactions TOPIC 8 Review Book."— Presentation transcript:

1 Branch of chemistry that deals with the rates of chemical reactions TOPIC 8 Review Book

2  In order for a chemical reaction to occur, particles must have EFFECTIVE COLLISIONS  Effective collisions must occur for old bonds to be broken and new bonds to be formed  What is an effective collision?  An effective collision must have enough energy and the proper orientation https://www.youtube.com/ watch?v=mBTSwJnZ6Sk

3  Nature Covalently bonded react more slowly than ionic because there are more bonds to break  Concentration If concentration of one or more reactants is increased, reaction rate increases  Surface area Greater surface area = faster reaction rate  Pressure Increase in pressure = increase in reaction rate of GASES  Catalyst Increase reaction rate by providing alternate pathway  Temperature Increase temperature = increased reaction

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10  https://www.youtube.com/watch?v=acZOZU 9XwmM

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