Chapter 12 Chemical Kinetics

Chapter 12 Chemical Kinetics - Chapter 12 Chemical Kinetics...

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Chapter 12 Chemical Kinetics How fast reactions are taking place Conditions of how we can make reactions faster or slower Rate – a change in something over time. o Ex. Miles per hour o Instantaneous rate – at a certain time o Average rate – total distance over total time o Chemical reactions – concentration of a reactant or product over time. Chemical Kinetics – the area of chemistry that concerns reaction rates and the steps through which a reaction occurs. Spontaneity – the inherent tendency for a process to occur; has nothing to do with the speed of the reaction. o Ex. diamonds Reversibility – the ability of a reaction to go both forward and backward, it is often more favorable in one direction than in the other. Reaction rate – change in concentration of a reactant or product per unit time. o Rate = change in [A]/change in time o Reaction rates are always positive o For reactant reaction rates, add a negative to the equation. Average rate – rate measured over a particular time period. Instantaneous rate – rate measured at a specific time; determine instantaneous rate by
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This note was uploaded on 02/09/2009 for the course CHEM 105BLG taught by Professor Parr during the Spring '08 term at USC.

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Chapter 12 Chemical Kinetics - Chapter 12 Chemical Kinetics...

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