PPT-Acids/Bases and Kw Acid and Base Strengths

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. Different definitions of acids and bases. Acids are proton donors (. Brønsted. Lowry definition). they generate H. 3. O. +. in water (Arrhenius definition). Bases are proton acceptors. they generate OH. Different definitions of acids and bases. Acids are proton donors (. Brønsted. Lowry definition). they generate H. 3. O. +. in water (Arrhenius definition). Bases are proton acceptors. they generate OH. 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. Weak acids only partially dissociate in water. . Hydrofluoric acid, HF, is the only halogen that forms a weak acid.. Learning Goal . Write equations for the dissociation of strong and weak acids; identify the direction of reaction.. 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. 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. 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.. 10.1. Acids and Bases. 2. Acids. Arrhenius acids . produce H. . ions in water. H. 2. O. . H. Cl(. g. ) . H. . (. aq. ) Cl. . (. aq. ). are electrolytes. have a sour taste . Acids. 2. pH below 7. turns litmus paper red. taste sour. reacts with metals to produce H. 2. (g). generally starts with a hydrogen ion. [H. . ] > [OH. -. ]. HCl. Bases. 3. pH greater than 7. turns litmus paper blue. Acids and Bases. Arrhenius definition. Bronsted-Lowry definition. pH. Strong vs weak acids. Neutralization reactions. Some Properties of Acids. Produce H. . (as H. 3. O. . ) ions in water (the hydronium ion is a hydrogen ion attached to a water molecule). Dr. Ron . Rusay. Fall . 2012. Chapter. 3. Structure . and . Bonding. Acids and Bases. Models of Acids and Bases. Arrhenius. : Acids produce H. . & bases produce OH. . ion in aqueous solutions .. Unit 8: Acids & Bases PART 1: Acid/Base Theory & Properties I hereby define acids as compounds of oxygen and a nonmetal. (1777) In fact, I just named the newly discovered gas oxygen , which means “acid-former.” A solution with an excess of H. +1. ions. How do we know that a chemical is an acid?. Most Acids start with an ‘H’ in their chemical formula. What are the properties of an Acid?. Tastes sour. Turns blue litmus paper red. Acid Base Equations. General Form of Dissociation. Acid. HA .  H. + . + A. - . or. H. 2. O + . A .  H. + . + . AOH. -. Base. BOH  B. + . + OH. - . or. . H. 2. O . + . B .  .