PPT-Chapter 4 Chemical Quantities and Aqueous Reactions

Roy Kennedy Massachusetts Bay Community College Wellesley Hills MA Chemistry A Molecular Approach 2nd Ed Nivaldo Tro Global Warming Scientists have measured an average 06 C rise in atmospheric temperature since 1860. Double-displacement Reaction: . Precipitation. acid-base neutralization. gas-evolving. Single-displacement Reaction. 2. 2. Experiencing Chemical Change. Chemical Reactions. : happening both around you and in you all the time! . 10.1 . Reactions and . Equations. Evidence of Chemical Reactions. ..  . The process of which the atoms of one or more substances are rearranged to form different substances is called a . Chemical Reaction. Charniauskaya. 2016-2017. Plan for the Unit. Writing . chemical . equations. Reactants vs. products, writing equations from word problems, . diatomics. , states of reactants/products (s, l, g, . aq. An . __________________. . contains one or more dissolved substances (called . __________) . in water. . The . ____________is . the most plentiful substance in a solution.. Water . is always the solvent in an aqueous solution. . C. 6. H. 12. + 9 O. 2. . . 6 CO. 2. + 6 H. 2. O. Cl. 2. + 2KBr . . Br. 2. . + 2KCl. NaOH. + KNO. 3. . . . NaNO. 3. + . KOH. 2H. 2. . + O. 2. . . . 2H. 2. O. Will this reaction go forward? Why or why not? If so, balance the equation.. CONTENTS. CHEMICAL REACTION. CHARACTERISTICS OF CHEMICAL REACTION. TYPES OF CHEMICAL EQUATION. BALANCING OF CHEMICAL EQUATION. HOW TO MAKE EQUATION MORE INFORMATIVE. 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 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. . Describing Chemical Reactions. Chemical Reaction – process in which one or more substances are changed into one or more different substances. Reactants – original substance. Products – resulting substance . Jennie L. Borders. Section 11.1 – Describing Chemical Reactions. In a chemical reaction, the reactants are written on the left and the products on the right.. The arrow that separates them is called yield.. 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. . 4.1 Introduction for Reactions. A physical change occurs when a substance undergoes a change in properties, but not a change in composition. Changes in the phase of a substance (solid, liquid, gas)or formation/separation of mixtures of substances are common physical changes.