'Reaction rates' presentation slideshows

WEATHERING MECHANISMS & PRODUCTS. Mehrooz F Aspandiar CRC LEME WASM, Applied Geology, Curtin University of Technology. Weathering – why bother?. Primary mechanism by which regolith is produced – from saprolite to soil Influences geochemistry of regolith, ground and surface waters

Topic 21. Table of Contents. Topic 21. Topic 21: Reaction Rates. Basic Concepts. Additional Concepts. Reaction Rates: Basic Concepts. Topic 21. Exothermic and Endothermic Reactions. An exothermic reaction releases heat, and an endothermic reaction absorbs heat.

MODELLING OF KRAFT TWO-PHASE DIGESTER PULP PROCESSES. P. He M. Salcudean I. Gartshore E.L. Bibeau*. *. Engineering / Process & Product Quality Conference & Trade Fair September 12-16, 1999 Hilton Anaheim. OUTLINE. Introduction Continuos Kamyr Digester Previous numerical models

Physics of Fusion. Lecture 1: The basics Lecturer: A.G. Peeters. Physics of Fusion. Fusion here refers to the controlled process in which two light atoms are fused together generating a heavier atom with the aim of generating energy. Binding Energy.

Plasma Sterilization. Applications of plasmas for sterilization in medical, food processing, ventilating, and air conditioning industries. Outline. What is sterilization? Current sterilization means Solution: Plasma Sterilization How it works Disadvantages Methods of Plasma Sterilization.

UNIT FOUR: Matter and its Changes. Chapter 12 Atoms and the Periodic Table Chapter 13 Compounds Chapter 14 Changes in Matter Chapter 15 Chemical Cycles and Climate Change. Chapter Fourteen: Changes in Matter. 14.1 Chemical Reactions 14.2 Types of Reactions

Math 1304 Calculus I. 3.7 – Rates of Change. Applications: Things that change. Physics Density, volume, surface area mass, charge, energy, power, work position, velocity, acceleration Electricity, magnetism, gravitation Fluid, gas, solid, crystals Chemistry Concentration, reaction rates

Organometallic Reactions and Catalysis. Chapter 14. Gain or Loss of Ligands. CO dissociation In many cases to add another ligand. Dissociative and associative mechanisms More complicated reactions. Dissociation of phosphine (steric effects) cis -Mo(CO) 4 L 2 + CO  Mo(CO) 5 L + L

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 .

Physics of Fusion. Lecture 1: The basics Lecturer: A.G. Peeters. Physics of Fusion. Fusion here refers to the controlled process in which two light atoms are fused together generating a heavier atom with the aim of generating energy. Binding Energy.

Chapter 14. Chemical Kinetics. Overview:. Reaction Rates Stoichiometry, Conditions, Concentration Rate Equations Order Initial Rate Concentration vs. Time First Order Rxns. Second Order Rxns. Graphical Methods. Cont’d. Molecular Theory Activation Energy Concentration

Drug Discovery. The use of solid phase combinatorial chemistry and parallel synthesis. Problems with Traditional Synthesis. 1 chemist 1 molecule Can only make one molecule at a time Each synthesis very time consuming Multistep syntheses have loss at each step

Temperature and Keq Lesson # 11. 1. PBr 3(g) + Br 2(g) ⇋ PBr 5(g) + energy. @ 100 o C Keq = 0.17 @ 200 o C Keq = 0.091. Is the reaction endothermic or exothermic?. Temperature increased. K eq decreased. Shifted left. Exothermic.

Chemical Equations and Reactions. Chapter 8. Chemical Reactions. Def: process in which one or more substances are changed into new substances Start w/ REACTANTS and make PRODUCTS Law of Conservation of Mass – mass of reactants must = mass of products. Chemical Equations.

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.

13. Rates of Chemical Reactions. 13.1 Rates of Chemical Reactions 13.2 Expressions of Reaction Rates in Terms of Rates of Changes in Concentrations of Reactants or Products 13.3 Methods of Measuring Reaction Rates 13.4 Factors Affecting Reaction Rates. Chemical Kinetics. A study of

Starter. Learning Objectives. Increasing the number of collisions between particles increases the rate of reaction How temperature, concentration and surface area affect the rate of reaction. Rates of Reaction & Collision Theory. ANIMATION. COOL PARTICLES. HOT PARTICLES.

Kinetics Lesson 3 Collision Theory. The Collision Theory Link to Simulation of Molecular Motion 1. Matter is moving particles . 2. Temperature increases- particles move faster -more collisions -more collision energy . 3. Chemical reactions -bonds break -new bonds form

Astrophysical Reaction Rate for the Neutron-Generator Reaction 13 C( α ,n) in Asymptotic Giant Branch Stars. Eric Johnson Department of Physics Florida State University July 19, 2007. Overview. Evolution of the universe important topic in nuclear physics

Chemical Kinetics. Texts: Atkins, 8th edtn., chaps. 22, 23 & 24 Specialist: “Reaction Kinetics” Pilling & Seakins (1995) Revision Photochemical Kinetics Photolytic activation, flash photolysis Fast reactions Theories of reaction rates Simple collision theory Transition state theory.