'Rate law' diaporamas de présentation

Chemistry 281(01) Winter 2017

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Chapter 1 2 Chemical Kinetics

Chapter 1 2 Chemical Kinetics. Chemical Kinetics. Studies the rate (Speed) at which a chemical process occurs. Speed of a reaction is measured by the change in concentration over time. Different from Thermodynamics: which determines if a reaction take place.

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Chemical Kinetics

Chemical Kinetics. The Study of Reaction Rates. Chemical Kinetics. Kinetics involves the study of several factors that affect the rates of chemical reactions. The final goal is to use all of the data to develop a step-by-step reaction mechanism .

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Chapter 11

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Chemical Kinetics

Chemical Kinetics. Chapter 13 13.1-13.6. Chemical Kinetics. In learning chemical kinetics, you will learn how to: Predict whether or not a reaction will take place. Once started, determine how fast a reaction will proceed. Learn how far a reaction will go before it stops.

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Chapter 14 Chemical Kinetics

Chapter 14 Chemical Kinetics. CHEM 160 September 13, 2006. Factors that Affect Reaction Rates. Kinetics is the study of how fast chemical reactions occur. There are 4 important factors which affect rates of reactions: reactant concentration, temperature, action of catalysts, and

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Reaction Rates

Reaction Rates. Chemical kinetics is the study of reaction rates, how reaction rates change under varying conditions, and what molecular events occur during the overall reaction. What variables affect reaction rate?. Surface area of a solid reactant or catalyst.

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Chemical Kinetics

Chemical Kinetics. The area of chemistry that concerns reaction rates and reaction mechanisms . Reaction Rate. The change in concentration of a reactant or product per unit of time. 2NO 2 (g) ? 2NO(g) + O 2 (g) . Reaction Rates:. 1. Can measure disappearance of reactants.

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Chemical Kinetics

Chemical Kinetics. Rates of chemical reaction ? definition of reaction rate ? integrated and differential rate law ? determination of rate law Mechanism of chemical reaction ? activated complex theory ? model for chemical kinetics ? Arrhenius equation. Rate Law. Rate=k[NO 2 ] n

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Chapter 25: Rates of Chemical Reactions

Chapter 25: Rates of Chemical Reactions. Homework: Excercises 25.1(a) to 25.18 (a) {do any 9}; Problems 25.2; 25.4;25.6; 25.15 {do two}. Empirical Chemical Kinetics. Chemical kinetics is the study of reaction rates Experimental methods

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Lecture 10

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Lecture 10

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Lecture 5

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Lecture 5

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Lecture 24

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CHEMICAL KINETICS

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Lecture 14

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Kinetics

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Integrated rate laws

Integrated rate laws. ln[ A ] = -k t + ln[ A ] 0. rate = k[ A ]. 1/[ A ] = k t + 1/[ A ] 0. rate = k[ A ] 2. Reaction mechanism. ? Elementary steps. reaction =. Molecularity. Elementary step. rate law. uni molecular . A ? product . k[ A ]. A + B ? product . bi molecular .

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Chapter 13 Chemical Kinetics

CHEMISTRY. Chapter 13 Chemical Kinetics. Factors that Affect Reaction Rates. Kinetics is the study of how fast chemical reactions occur. There are 4 important factors which affect rates of reactions: reactant concentration, temperature, action of catalysts, and surface area.

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