Instructional Video
Khan Academy

Khan Academy: Autoionization of Water

9th - 10th
Autoionization of water into hydronium and hydroxide ions.
Instructional Video
Khan Academy

Khan Academy: Biology Foundations: Introduction to P H

9th - 10th
Introduction to the concept of pH. [5:21]
Instructional Video
Khan Academy

Khan Academy: Buffers and Henderson Hasselbalch

11th - 12th
A buffer solution contains a mixture of a weak acid and its conjugate base (or a weak base and its conjugate acid). The equilibrium between the weak acid and its conjugate base allows the solution to resist changes to pH when small...
Instructional Video
Khan Academy

Khan Academy: Acid and Base Catalyzed Hydrolysis of Amides

9th - 10th
This video explains the mechanisms for acid and base-catalyzed hydrolysis of amides. [11:46]
Instructional Video
Khan Academy

Khan Academy: Acid and Base Catalyzed Formation of Hydrates and Hemiacetals

9th - 10th
This video demonstrates how the addition of acid or base can catalyze the formation of hydrates and hemiacetals. [10:26]
Instructional Video
Khan Academy

Khan Academy: Titration Calculation Example

9th - 10th
Learn how to calculate the unknown concentration with titration. See an example of titrating strong acid, hydrochloric acid, with strong base barium hydroxide. [7:49]
Instructional Video
Sophia Learning

Sophia: Define Polyprotic Acid: Lesson 2

9th - 10th
This lesson will define a polyprotic acid and compare that to a monoprotic acid. It is 2 of 2 in the series titled "Define Polyprotic Acid."
Instructional Video
Sophia Learning

Sophia: What Is P H?: Lesson 1

9th - 10th
This lesson will explain what pH means, and the difference between substances with a high pH vs a low pH. It is 1 of 4 in the series titled "What is pH?"
Instructional Video
Sophia Learning

Sophia: Acid/base Titration Calculations: Lesson 2

9th - 10th
This lesson will demonstrate how to calculate the concentration of an unknown (acid or base) using the information obtained from a titration. It is 2 of 2 in the series titled "Acid/Base Titration Calculations."
Instructional Video
Sophia Learning

Sophia: Acid/base Titration Curve: Lesson 2

9th - 10th
This lesson will explain the regions of a titration curve and what they represent. It is 2 of 2 in the series titled "Acid/Base Titration Curve."
Instructional Video
Sophia Learning

Sophia: Acid/base Titration Curve: Lesson 1

9th - 10th
This lesson will explain the regions of a titration curve and what they represent. It is 1 of 2 in the series titled "Acid/Base Titration Curve."
Instructional Video
Sophia Learning

Sophia: Acid/base Titrations Definitions: Lesson 2

9th - 10th
This lesson will define the vocabulary of an acid/base titration - endpoint/equivalence point, titrant, indicator, and sample. It is 2 of 2 in the series titled "Acid/Base Titrations - Definitions."
Instructional Video
Sophia Learning

Sophia: Acid/base Titrations Definitions: Lesson 1

9th - 10th
This lesson will define the vocabulary of an acid/base titration - endpoint/equivalence point, titrant, indicator, and sample. It is 1 of 2 in the series titled "Acid/Base Titrations - Definitions."
Instructional Video
Sophia Learning

Sophia: Acids and Bases Definitions: Arrhenius: Lesson 2

9th - 10th
This lesson will give the Arrhenius definition of an acid and a base and show several examples. It is 2 of 2 in the series titled "Acids and Bases Definitions: Arrhenius."
Instructional Video
Sophia Learning

Sophia: Acids and Bases Definitions: Bronsted Lowry: Lesson 2

9th - 10th
This lesson will give the Bronsted-Lowry definition of an acid and a base and show several examples. It is 2 of 2 in the series titled "Acids and Bases Definitions: Bronsted-Lowry."
Instructional Video
Sophia Learning

Sophia: Acids: Defining Binary Acids: Lesson 2

9th - 10th
This lesson will define an acid and give examples. It is 2 of 2 in the series titled "Acids: Defining Binary Acids."
Instructional Video
Sophia Learning

Sophia: Acids: Defining Binary Acids: Lesson 1

9th - 10th
This lesson will define an acid and give examples. It is 1 of 2 in the series titled "Acids: Defining Binary Acids."
Instructional Video
Sophia Learning

Sophia: Calculating [H+]: Lesson 1

9th - 10th
This lesson will demonstrate how to calculate the H+ concentration given the pH of a solution. It is 1 of 2 in the series titled "Calculating [H+]". [4:30]
Instructional Video
Sophia Learning

Sophia: Calculating P Oh: Lesson 2

9th - 10th
This lesson will demonstrate how to calculate the pOH of a solution knowing the total of both pH and pOH is 14. It is 2 of 2 in the series titled "Calculating pOH."
Instructional Video
Sophia Learning

Sophia: Chemical Reaction Types: Acid Base: Lesson 1

9th - 10th
This lesson will show that the products of an acid base reaction are water and a salt. It is 1 of 2 in the series titled "Chemical Reaction Types: Acid-Base."