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Acids and Bases Chapter 19
Characteristics of AcidsSour tasting – vinegar, lemons React with metals and produce H2 (g) React with metal carbonates to produce CO2 Blue Litmus Paper Red Conductive H+ ions > OH- ions pH < 7
Characteristics of BasesBitter tasting (soap) Slippery Red Litmus Paper Blue Conductive OH- ions > H+ ions pH > 7
Pure Water is Neutral
Arrhenius Acid Donates a H+ ion in an aqueous solution
Model doesn’t explain why ammonia is a base.Arrhenius Base Donates a OH- in an aqueous solution Model doesn’t explain why ammonia is a base.
Bronsted-Lowry Model Acid – donates a H+ Base –accepts a H+
Forms when the base accepts a H+ ionForms when the acid donates a H+ ion to a base
Conjugate Acid? Conjugate Base?Which is the acid? Base? Conjugate Acid? Conjugate Base?
Bronsted-Lowry Expands the range of acids and bases.Amphoteric – acts as an acid and a base (water)
Monoprotic and Polyprotic AcidsMono – donates only one H+ HCl, HNO3, CH3COOH Not covalently bonded, ionizable Poly – donates more than one H+ Diprotic – H2SO4 Triprotic – H3PO4
Phosphoric Acid is triprotic
Acid Strength Strong acids completely ionizeWeak acids do not completely ionize
Base Strength Strong Bases dissociate into metal ions and hydroxide ions Weak base partially ionizes in dilute aqueous solutions
Strong Base Weak Acid
What is pH?
Properties of acids Taste Sour (kids, don’t try this at home).
Acid-Base Theories Section 20.3
Chapter 14 Acids, Bases, and pH.
Acids and Bases.
Acids, Bases, and pH. Acids and Bases Acids produce H + ions which react with water to form hydronium (H 3 O + ) ions Bases produce OH - ions.
Acids, Bases, and Salts Chapter 19.
Sec. 18.1: Acids & Bases: An Introduction
ACIDS AND BASES
1 Acid Vs Base Characteristics of Acids: Sour taste Change blue litmus paper red; red litmus paper does not change Produce hydronium ions (H 3 O + ) when.
Chapter 19 Acids and Bases. Questions for Today 1. What are the physical and chemical property of Acids and Bases? 2. How do you classify solutions as.
Chapter 19 Acids and Bases. Properties of Acids n Taste sour (don’t try this at home). n Conduct electricity. –Some are strong, others are weak electrolytes.
Acids bases & salts.
Acids & Bases. Properties of Acids & Bases Acids Aqueous solutions of acids have a sour taste Turn blue litmus paper to red React with metals to produce.
Chapter 14 Preview Lesson Starter Objectives Acids Bases
Chemistry Notes: Acids and Bases
I. Introduction to Acids & Bases Acids & Bases. A. Properties electrolytes turn litmus red sour taste react with metals to form H 2 gas slippery.
Properties of Acids and Bases Acids taste sour, will change the color of an acid base indicator, and can be strong or weak electrolytes in aqueous solution.
Chapter 14: Acids and Bases and pH
Chapter 19 Acids and Bases.
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