Acids & Bases. Key Characteristics of Acids & Bases Acids Taste sour Reacts with alkali metals (forms H2 gas) Litmus paper: RedNeutralizes Bases Bases.
9.6 Nitrogen and Sulphur Learning outcomes: Candidates should be able to: (a)Explain the lack of reactivity of nitrogen (b)Describe: (i)The formation and.
ACIDS & BASES How does pH value affect our environment?
Chapter 19. All aqueous solutions contain hydrogen ions (H + ) and hydroxide (OH - ) ions. An acidic solution contains more H + ions than OH -.
1 - SCH3U1 - Acids and Bases Sections 10.1. 2 Learning Goals 1.What is Arrhenius's definition of an acid? A base? 2.What is the Brønsted-Lowry definition.
1 Acids and Bases - the Three Definitions 1. The Arrhenius Definition of an Acid 2. Acid strength and pK a 3. K a, pK a, pK b 4. polyprotic acids, pK a1,
Chapter 16 – Chemical Equilibria Objectives: 1.Determine equilibrium constant expressions. 2.Know the factors which affect equilibrium. 3.Calculate Q and.
CHEMICAL EQUILIBRIUM Chapter 16 ALL BOLD NUMBERED PROBLEMS.
Regents Review. 1. According to the Arrhenius theory, an acid is a substance that: A) Changes litmus from red to blue B) Changes phenolphthalein from.
PH = - log [H 3 O + ] [H 3 O + ] = 10 - pH mol/L For pure water at 25 o C pH = - log (1.0 x 10 -7 ) = 7.00 For a change in pH by 1, H 3 O + concentration.
Chapter 17 ACID-BASE EQUILIBRIA (Part I) 1Dr. Al-Saadi.
Chapt. 20 – Electrochemistry 19.1Oxidation and Reduction (review) 19.2Balancing Redox Equations (intro only on half reactions) 20.1Voltaic Cells 20.2.