PPT-11.4 Dissociation Constants for Acids and Bases

HCHO 2 aq H 2 O l H 3 O aq CHO 2 aq Learning Goal Write the expression for the dissociation constant of a weak acid or weak base Dissociation of a Weak Acid. &. Salts and Buffers. Chapter 19.3 and 19.5. Notes #21. Part 1: Strengths of Acids and Bases. How is there is a difference?. Citrus fruits contain citric acid that we can eat.. Industrial companies use sulfuric acid that can cause severe burns to the skin.. Weak . Acids & Bases. Unit 08. IB Topics 8 & 18. Chapters 14 & 15. Strong acids and bases: pH and . pOH. can be deduced from their concentrations. since . we assume strong acids and bases dissociate completely, pH and . Some Important Acids. (All acids have H atoms). Properties of Acids. Sour Taste. Reacts with Metals (Produce Hydrogen Gas). Reacts with Carbonates (Produce CO2). Turn Litmus Paper Red. Natural Indicators. p. 191-195. Anything about the pH scale?. Alkaline is another name for a base.. acid/base intro video. What can you tell me about acids and bases?. 1.2 Acids and Bases. pH scale- . indicates the acidity of a solution. Chapter 8.1. Objectives. Describe the ionization of strong acids in water and the dissociation of strong bases in water.. Distinguish between solutions of weak acids or bases and solutions of strong acids or bases.. Principles of Chemical Reactivity: . The Chemistry of Acids and Bases. In Chapter 3, you were introduced to two definitions of acids and bases: the Arrhenius and the Brønsted–Lowry definition.. Arrhenius acid: Any substance that when dissolved in water increases the concentration of hydrogen ions, H. the equilibrium expression would be. This equilibrium constant is called the acid-dissociation constant, . K. a. .. © . 2009, Prentice-Hall, Inc.. [H. 3. O. . ] [A. -. ]. [HA]. K. c. =. HA . (. aq. Taste. Acids taste sour. Foods. citrus fruits . yogurt and sour milk. carbonated beverages. vinegar. Acid. citric acid. lactic acid. carbonic acid. acetic acid. Bases taste bitter. Like soap. Touch. MEASUREMENT. REACTIONS. The sour and spicy tastes are properties of acidic substances. The bitter taste is a . property of basic . substances. ACIDS & BASES. INTRODUCTION. Your own body produces acids and strong bases. ”. Properties of Acids. They taste . sour. (don’t try this at home).. They can . conduct electricity. .. Can be strong or weak electrolytes in aqueous solution. React with metals. to form H. 2. Chemistry. Jacqueline P. Hancock, B.S., . M.Ed. Acid-Base Theories. Bracken Cave, near San Antonio, Texas, is home to twenty to forty million bats. Visitors to the cave must protect themselves from the dangerous levels of ammonia in the cave. Ammonia is a byproduct of the bats’ urine. You will learn why ammonia is considered a base.. Topics 5 and 6 . May 4-6, . 2020. . As you go through the . packet for this week, you . will see . MANY . familiar. . things. . Make sure to do ALL eight pages- important!. What is . familiar. ?. dissociation . Taken from State University of West Georgia Chemistry Dept.. Acid and Base Strengths. Taken from State University of West Georgia Chemistry Dept.. Hydronium Ions. Hydronium Ions. H. 5. O. 2. +. Dissociation of Water. Objectives. Relate the process of ionization to the formation of acids and bases. Explain qualities of acids and bases . Compare the acidity of substances, using the pH scale and pH indicators . Use molarity and titration to determine the concentration of an acid .