Khan Academy
Khan Academy: Comparing Q vs K Example
See a worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. [5:53]
Khan Academy
Khan Academy: Arrhenius Definition of Acids and Bases
Arrhenius definition of acids and bases. [7:50]
Khan Academy
Khan Academy: Autoionization of Water
Learn about the autoionization of water into hydronium and hydroxide ions. [10:55]
Khan Academy
Khan Academy: Definition of P H
An introduction to pH and the pH scale. See examples of calculating pH of pure water, bleach, and orange juice. [11:38]
Khan Academy
Khan Academy: P H, P Oh of Strong Acids and Bases
This tutorial demonstrates deriving the relationship between pKw, pH, and pOH. Calculating the pH or pOH of strong acids and bases. [14:49]
Khan Academy
Khan Academy: Strong Acids and Strong Bases
See some common strong acids and strong bases. Also examine some examples of calculating the pH of a nitric acid solution, sodium hydroxide solution, and a calcium hydroxide solution. [12:32]
Khan Academy
Khan Academy: Acid Strength, Anion Size, and Bond Energy
Learn how anion size and bond dissociation energies affect acid strength. [5:47]
Khan Academy
Khan Academy: Conjugate Acid Base Pairs
An introduction to conjugate acid-base pairs. Learn the definition and see examples of conjugate acid-base pairs. [8:26]
Khan Academy
Khan Academy: P Ka and P Kb Relationship
Find out about the Ka and Kb relationship and pKa and pKb relationship between conjugate acids and bases. [14:33]
Khan Academy
Khan Academy: Relationship Between Ka and Kb
Learn about the relationship between Ka and Kb, and pKa and pKb. See examples of finding Ka of a weak acid given Kb of the conjugate base. [11:20]
Khan Academy
Khan Academy: Ka and Acid Strength
Learn how to write an equilibrium expression for an acid-base reaction and how to evaluate the strength of an acid using Ka. [9:18]
Khan Academy
Khan Academy: Weak Acid Equilibrium
A quick overview of Ka and pKa. See an example of calculating the pH of a weak acid solution. [9:31]
Khan Academy
Khan Academy: Weak Base Equilibrium
A quick overview of Kb and pKb with examples of calculating the pH of a weak base solution. [11:22]
Khan Academy
Khan Academy: Acid Base Properties of Salts
Study examples of different kinds of neutralization reactions, and analyze the pH of the resulting salt solution. [7:33]
Khan Academy
Khan Academy: P H of Salt Solutions
See some examples of calculating pH of 0.25 M solution of sodium acetate, and calculating the pH of 0.050 M solution of ammonium chloride. [14:15]
Khan Academy
Khan Academy: Introduction to Buffers
An introduction to buffer systems, which regulate pH in blood. [6:20]