PPT-Chapter 12 “Heat in Chemical Reactions”

Learning Target Be able to calculate the amount of energy absorbed or released during a chemical or physical change Learning Outcomes Know how to apply the 1 st Law of Thermodynamics to chemical reactions . (CRE) is the field that studies the rates and mechanisms of chemical reactions and the design of the reactors in which they take place.. Lecture. 19. Today’s. . lecture. Gas Phase Reactions. Trends and Optimums. DEFINITIONS AND TYPES. Revision:. DO NOT WRITE- FOR YOUR INFO ONLY. We have looked at the period table, what atoms are, elements and compounds. You have learnt that atoms can join to make compounds or molecules and that we can mix compounds to make new compounds…..these are chemical reactions. Physical Science Notes. Physical Properties. PHYSICAL PROPERTY . - A feature or characteristic of matter which can be observed without changing the identity of the matter . Examples. :. . . Color. Chemical Reactions:. Energy, Rates, and Equilibrium. Fundamentals of General, Organic, and Biological Chemistry. 7th Edition. Chapter 7 Lecture. © 2013 Pearson Education, Inc.. Julie Klare. Gwinnett Technical College. The study of . energy. changes that occur during chemical reactions (chemical change) AND changes in state (physical change. ).. Did you know?. Chemical energy is stored in chemical bonds of a substance. This is called . H. ow do we know chemical reaction . happened yesterday?. major, unexplained, . color change. major, unexplained . temperature change. major, unexplained . bubbles . gas created. . precipitate forms.. 2.2 Biochemical Reactions. What Are Chemical Reactions?. Process that changes some chemical substances to others. Reactant. – substance that starts chemical reaction. Product. – substance that forms as result of chemical reaction. Energy, Rates, and Equilibrium. Fundamentals of General, Organic, and Biological Chemistry. 7th Edition. Chapter 7 Lecture. © 2013 Pearson Education, Inc.. Julie Klare. Gwinnett Technical College. McMurry, Ballantine, Hoeger, Peterson. CONTENTS. CHEMICAL REACTION. CHARACTERISTICS OF CHEMICAL REACTION. TYPES OF CHEMICAL EQUATION. BALANCING OF CHEMICAL EQUATION. HOW TO MAKE EQUATION MORE INFORMATIVE. Grade Science. Bowling Green Junior High. What are chemical reactions?. Chemical Reaction. . – . a change that takes place when two or more substances (reactants) interact to form new substances (products) with new properties.. Changes or transforms chemicals into . other. chemicals. Ex: Iron + Oxygen . . Iron Oxide (rust). Physical Science Review. What is the product?. What are the reactants?. Chemical formula. . shows the kind and proportion of atoms of each element that occurs in a particular compound. Objectives. Compare chemical reactions to physical changes. Compare parts of an atom. Calculate the mass of one mole of an element or compound. Explain how ionic and covalent bonds are formed. Identify the parts of chemical equations. 83 Lesson 3: Enzyme Regulation of Biochemical Reactions What is a biological catalyst? This super - fast train can obviously reach great speeds. And there's a lot of technology that helps this train All. chemical reactions either release or absorb energy. . The energy can take many forms: . HEAT. , . LIGHT. , . SOUND. , and . ELECTRICITY. . Chemical . bonds. are the source of this energy. .