Chapter 13 -- Chemical Kinetics/Key Terms & Equations

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University of Toronto Scarborough
Jamie Donaldson

Chapter 13: Chemical Kinetics The rate of a chemical reaction is a measure of how fast the reaction occurs (concentration over time): The rate can also be defined with respect to the product of the reaction. Because product concentrations increase as reaction proceeds, the change in concentration of a product is positive. The factor ( 12n this definition is related to the stoichiometry of the reaction. As the reactants transform to products, their concentrations decrease, and the reaction slows down. Average and instantaneous rates of change can be calculated using a chart or graph Rate Law: A relationship between the rate of a reaction and the concentration of the reactants k is a constant of proportionality called the rate constant and n is the reaction order The value of n determines how the rate depends on the concentration of A First-Order Reaction: o in a first-order reaction, the rate of the reaction is directly proportional to the concentration of the react:
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