'Integrated rate law' presentation slideshows

Chemical Kinetics

Chemical Kinetics. Expression of rates. Stoichiometric relationships of rates of different substances in a reaction. Determination of reaction orders, rate laws, and rate constant by method of initial rate. Determination of rate laws by graphical or integration method.

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Chemistry: The Molecular Science Moore, Stanitski and Jurs

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Chemical Kinetics

Chemical Kinetics. Unit 11. Factors affecting reactions Collision Model Activation energy, activated complex Exothermic/endothermic reactions Energy of reactions ?E Reaction Rate Average reaction rate Instantaneous reaction rate Kinetics Stoichiometry Reaction Rate and Concentration

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Chemical Kinetics

Chemical Kinetics. BLB 11 th Chapter 14. Chemical Reactions. Will the reaction occur? Ch. 5, 19 How fast will the reaction occur? Ch. 14 How far will the reaction proceed? Ch. 15. Expectations. Review: concentration units, graphing (line, slope) Work with reaction rates.

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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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Chemistry 102(01) Fall 2013

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What is this?

What is this?. Kinetics. Reaction Rates: How fast reactions occur. How do we measure rxn rates?. Rates must be measured by experiment Indicators that a reaction is happening Color change Gas evolution Precipitate formation Heat and light Many ways to measure the rate ? Volume / time

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Chapter 14

Chapter 14. Rates of Reaction. Overview. Reaction Rates Definition of Reaction Rates Experimental Determination of Rate Dependence of Rate on Concentration Change of Concentration with Time Temperature and Rate; Collision and Transition-State Theories. Arrhenius Equation

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Rates and Rate Laws

Rates and Rate Laws. Reaction Rate. The change in concentration of a reactant or product per unit of time. Reaction Rates:. 2NO 2 (g) ? 2NO(g) + O 2 (g). 1. Can measure disappearance of reactants. 2. Can measure appearance of products. 3. Are proportional

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Chemistry 142

Chemistry 142. Review. Chapter 13: Chemical Kinetics . Rate Relativ e Rate of Reaction Law of Mass Action and Instantaneous Rate of Reaction Rate Law Reaction order Effect of nature of reactants, temperature, molecular orientation, concentration, catalyst

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REVIEW: Rate Laws

REVIEW: Rate Laws. At a certain temperature, the following data were collected for the reaction 2 ICl + H 2 ? I 2 + 2 HCl Calculate the rate law and the value of the rate constant for the reaction. Reactant Concentration vs. Time. A ? product, reaction is 1 st order wrt A.

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Kinetics

Kinetics. A study of the rate of change (reaction rates/speeds) of a chemical reaction Factors that affect reaction rate: The nature of the reactants The surface area of the reactants The temperature Adding a catalyst Adding an inhibitor Increasing the concentration of the reactants***.

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Entry Task: Dec 7 th Friday

Entry Task: Dec 7 th Friday. Question: Provide the 2 nd order integrated equation and when plotting for a 2 nd order reaction what labels would be on the x and y axis? You have 5 minutes! . Agenda:. Discuss the Integrated Rate Law ws Field any questions that might arise

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Types of Rate Laws

Types of Rate Laws. First Order Second Order Zero Order. Why study rate laws?. Can work backwards from the rate law to infer steps by which the reaction occurs Most reactions do not occur in a single step Most result from a series of steps.

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Chemical Kinetics

Chemical Kinetics. Chemical Reactions. A and B are reactants , whose concentration decreases until the completion of the reaction. C is a product , whose concentration increases until the completion of the reaction.

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Kinetics

Kinetics. Brainstorm: What are some factors that affect the rate of a reaction?. Reaction Rate. Change in [reactants] or [products] per unit time (M/s) Always expressed as a positive quantity Can be expressed as appearance of B OR disappearance of A. A ? B. Changes in reaction rate.

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Kinetics

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