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Chemical Kinetics

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Chemical Kinetics. Chemical Kinetics = study of the rates of chemical reactions = how fast reactants are converted to products. Factors affecting reaction rates : a. concentrations of reactants b. physical state, surface area of reactants c. temperature at which reaction occurs

Chemical Kinetics

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Chemical Kinetics

691 views • 17 slides

Chemical Kinetics

Chemical Kinetics. The rate or speed of chemical reactions - experimental &amp; graphical How to control or influence the rate - faster or slower The mechanism of the reaction - atomic/molecular level picture of how reactions occur (organic chem.). Investigating a Simple Reaction.

1.23k views • 5 slides

Chemical Kinetics

Collision Theory of Reactions. Collision theory is simple - for a reaction to occur, particles must collide successfully!A successful collision has two components:particles must collide at the right geometryparticles must collide with enough energy (the Activation energy)Factors which influence

1.13k views • 30 slides

Chemical Kinetics

Chemical Kinetics . How fast is it?. Reptiles . What happens to a lizard if it gets cold? He hibernates. Why?. The Blood is Cold… …and so is the Chemistry. Reptiles are cold-blooded. Their body temperature fluctuates with the external temperature.

1.43k views • 103 slides

Chemical Kinetics

Chemical Kinetics. Collision Model. Collisions must have enough energy to produce the reaction (must equal or exceed the activation energy). Reactants must have proper orientation to allow the formation of new bonds. Reactions can occur: Very fast – such as a firecracker

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CHEMICAL KINETICS

CHEMICAL KINETICS. Chemical kinetics: is a branch of chemistry which deals with the rate of a chemical reaction and the mechanism by which the chemical reaction occurs. Rate of Reaction. How fast a reaction occurs

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Chemical Kinetics

Chemical Kinetics. What is chemical kinetics . The study of the rates at which chemical reactions take place Factors to consider Concentration Temperature Presence of catalysts. Reaction rates.

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Chemical Kinetics

Chemical Kinetics. CHAPTER 6. Copy This. Chemical Kinetics (Ch#6.1). Kinetics is the study of the rate of change of concentration in chemical reactions To study this we must concern ourselves with exactly how molecules interact during a chemical reaction. Copy This. Rate of Reaction(ch#6.1).

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Chemical Kinetics

Chemical Kinetics. Chapter 14. Chemical Kinetics. Thermodynamics – does a reaction take place? Kinetics – how fast does a reaction proceed?. Factors That Affect Reaction Rates. Physical State of the Reactants Concentration of Reactants Temperature Presence of a Catalyst. Fig 14.2.

551 views • 15 slides

Chemical Kinetics

Chemical Kinetics. Reaction Rates. Kinetics: Reaction Rates. Rate of a chemical reaction = change in concentration/time Rate =  [ A ] t  = change (take the slope!) [ ] = molar concentration. Reaction Rate: Take the slope of the curve. At which time is the

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Chemical Kinetics

Chemical Kinetics. Unit 11. Chemical Kinetics. Chemical equations do not give us information on how fast a reaction goes from reactants to products. KINETICS : the study of reaction rates and their relation to the way the reaction proceeds, i.e. its mechanism

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Chemical kinetics

Chemical kinetics. The rate of a chemical reaction is dependent on:. reactant concentrations state of reactants (solid, liquid, powder, etc.) temperature (e.g., eggs cook faster at higher temperatures)

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Chemical Kinetics

Chemical Kinetics. Basics Kinetics = the field of chemistry dealing with the rate of chemical reactions A collision must occur between reactants for a reaction to happen Factors Affecting Reaction Rates Physical State 2 Ag + (aq) + S 2 O 3 2- (aq) -------&gt; Ag 2 S 2 O 3 (s)

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Chemical Kinetics

Chemical Kinetics. How are chemical reaction rates determined and what factors affect these rates?. Objectives. To understand rates of reaction and the conditions affecting rates. To derive the rate equation, rate constant, and reaction order from experimental data.

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Chemical Kinetics

Chemical Kinetics. TURN ON SPECs NOW!. First things first…. Safety: Put bags away Goggles Lab Jacket Gloves Basic Reactants! LAB! Warm up Spec 20. Reaction Rate.

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Chemical Kinetics

Chemical Kinetics. A B. rate =. D [A]. D [B]. rate = -. D t. D t. Chemical Kinetics. Thermodynamics – does a reaction take place? Kinetics – how fast does a reaction proceed?. Reaction rate is the change in the concentration of a reactant or a product with time ( M /s).

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Chemical Kinetics

Chemical Kinetics. The Binary Collision Model. Must actually have a hydrogen molecule bump into a chlorine molecule to have chemistry occur. Reaction during such a collision might look like the following picture:. H. H. H. H. Cl. Cl. Cl. Cl. Cl 2. H 2. +. Collision Frequency.

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Chemical Kinetics

Chemical Kinetics. Rates of chemical reactions and how they can be measured experimentally and described mathematically. So far, we have worked with reactions that occur almost instantaneously. Precipitations Ba 2+ (aq) + SO 4 2- (aq)  BaSO 4 (s) Acid-base reactions

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CHEMICAL KINETICS :

CHEMICAL KINETICS :. THE RATES AND MECHANISMS OF CHEMICAL REACTIONS. Chemical kinetics is the study of the speed or rate of a reaction under various conditions. Spontaneity is also important AND a spontaneous reaction does NOT imply a rapid reaction.

3.3k views • 155 slides

Chemical Kinetics

Chemical Kinetics. Reaction rate - the change in concentration of reactant or product per unit time. Factors Affecting Rates. Temperature Concentration of reactants Particle size Presence of a catalyst. 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. Rate Laws.

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Chemical Kinetics

Chemical Kinetics. Chapter 14. Reminders. Assignment 2 up on ACME, due Jan. 29 (in class) Assignment 3 up now and will be due Mon., Feb. 05 Assignment 4 (Ch. 15) will not be due before Midterm 1, but Ch. 15 will be on the midterm. a A + b B. c C + d D. =. =. Rate = −. = −. 1 d.

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