'Integrated rate laws' diaporamas de présentation

Chapter 12 Chemical Kinetics

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Topic 6/16 Chemical Kinetics

Topic 6/16 Chemical Kinetics. Chemistry, The Central Science , (Chapter 14) 7 & 8th editions Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten. 1. Kinetics. Studies the rate at which a chemical process occurs.

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Chemical Kinetics

Chemical Kinetics. AP Chem. Chemical Kinetics. Area of chemistry that deals with rates or speeds at which a reaction occurs The rate of these reactions are affected by several factors. Describing Rates. Such as: Concentration Color Bubbles Temp pH. Whatever is appropriate: Hours

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Chemical Kinetics Khadijah Hanim Abdul Rahman UniMAP

Chemical Kinetics Khadijah Hanim Abdul Rahman UniMAP. Subtopics. Experimental Chemical and Kinetics Reactions First Order Reactions Second Order Reactions Reaction Rates and Reaction Mechanisms Light Spectroscopy and Adsorption Chemistry (Experimental methods for fast reactions).

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Chemistry 232

Chemistry 232. Chemical Kinetics. Chemical Kinetics. Chemical kinetics - speed or rate at which a reaction occurs How are rates of reactions affected by Reactant concentration? Temperature? Reactant states? Catalysts?. The Instantaneous Reaction Rate. Consider the following reaction

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Chemistry 232

Chemistry 232. Chemical Kinetics. Chemical Kinetics. Chemical kinetics - speed or rate at which a reaction occurs How are rates of reactions affected by Reactant concentration? Temperature? Reactant states? Catalysts?. The Instantaneous Reaction Rate. Consider the following reaction

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The Ultimate BOD

The Ultimate BOD. A much better nickname. Example of a BOD determination.

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Chapter 16 Kinetics

Chapter 16 Kinetics. Dinosaurs generated enough heat to sustain its biochemical reactions at high rates . Reaction rate = f(temperature). What is chemical kinetics?. Deals with the speed (rate) of a chemical reaction and its reaction mechanism.

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Chemical Kinetics

Chemical Kinetics. A 2(g) + B 2(g) 2 AB (g). Fundamental questions: Will it take place? Thermodynamics If it does, how long will it take to reach completion or equilibrium? Chemical kinetics: is the study of the speeds, or rates, of chemical reactions. Outline.

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14.4 - Integrated Rate Laws

ln. = ? k t. [A] t [A] 0. 14.4 - Integrated Rate Laws. Using calculus to integrate the rate law for a first-order process gives us. Where. [A] 0 is the initial concentration of A. [A] t is the concentration of A at some time, t , during the course of the reaction. ln. = ? k t.

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Chapter 15

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Chapter 14 Chemical Kinetics

Chapter 14 Chemical Kinetics. Rate Laws. A rate law shows the relationship between the reaction rate and the concentrations of reactants. The exponents tell the order of the reaction with respect to each reactant. Since the rate law is Rate = k [NH 4 + ] [NO 2 ? ] the reaction is

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Determining Rate Laws

Determining Rate Laws. 2 NO(g) + O 2 (g) ? 2 NO 2 (g) Determine the rate expression and the value of the rate constant from the data below. [NO] (mol L -1 ) [O 2 ](mol L -1 ) initial rate (mol L -1 s -1 ) (1) 1.0 x 10 -4 1.0 x 10 -4 2.8 x 10 -6

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Chapter 14: Rates of Reaction

Chapter 14: Rates of Reaction. Chemistry 1062: Principles of Chemistry II Andy Aspaas, Instructor. Chemical kinetics. Study of the rate or speed of reactions Rate may be affected by any of the following: Concentration of reactants Presence or concentration of a catalyst

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Outline: 2/7/07

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Concentration Natural Log of Time (s) of N 2 O 5 (mol/L) N 2 O 5 (mol/L)

Integrated Rate Laws 1. Mathematical expression focusing on the relationship between time and concentration in a reaction. 2. Applies only to a specific temperature and set of conditions. 3. Different forms of the equation for different orders of reaction.

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More Kinetics

More Kinetics. Rate Laws. A rate law shows the relationship between the reaction rate and the concentrations of reactants. For gas-phase reactants use P A instead of [A]. k is a constant that has a specific value for each reaction. The value of k is determined experimentally.

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Entry Task: Dec 6 th Thursday

Entry Task: Dec 6 th Thursday . Question : For the general rate law, Rate = k[A] [B] 2 , what will happen to the rate of reaction if the concentration of A is tripled ? You have 5 minutes!. Agenda:. Go through the answers to Rate Law ws #1

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