Steve Spangler Science
Goldenrod Paper Message - Sick Science! #059
Have your class write secret messages using Goldenrod paper and a basic liquid such as ammonia. This is a great way to illustrate the chemical reactions between acids and bases. This could lead to an exploration of chemical reactions and...
Steve Spangler Science
Disappearing Ink - Cool Science Experiment
Create disappearing ink and send your own secret messages. Have your learners explore the properties of acids and bases in order to figure out how to cause a chemical reaction. After they understand the process, they can perform some...
Steve Spangler Science
Berry pH Paper - Sick Science! #048
Steve Spangler shows how to make your own litmus paper. Using blackberries, construction paper, and water, learners can make their own litmus paper in the classroom. Then, they can take different liquids, such as oil and soapy water, and...
Educreations
The pH Scale
The pH scale is actually based on logarithms rather than just simple numbers. The fact-filled video begins with an explanation of the auto-ionization of water. Then it describes the relationship between H+ and OH- in every solution. It...
Educreations
The pH Scale
The pH scale is actually based on logarithms rather than just simple numbers. The fact-filled video begins with an explanation of the auto-ionization of water. Then it describes the relationship between H+ and OH- in every solution. It...
Curated OER
Senior Chemistry: Acids and Bases 4
Chemguy reveals how you can find the pH of a solution from its hydronium concentration. The video is not engaging but is educational.
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: 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: 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: 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: Introduction to Buffers
An introduction to buffer systems, which regulate pH in blood. [6:20]
Khan Academy
Khan Academy: Buffers, the Acid Rain Slayer
Define buffers and their compositions, and learn about carbonate buffering systems in nature, acid rain, pH of buffers, and titration. See an experiment using indicators to showcase just how awesome buffers are. [10:51]
Khan Academy
Khan Academy: Ways to Get a Buffer Solution
This tutorial describes the two main situations where you get a buffer: making a buffer for a specific pH by combining a weak acid and a salt containing the conjugate base, and using a neutralization reaction by combining a weak acid and...
Khan Academy
Khan Academy: Titration Introduction
Introduction to acid-base titrations using example of titrating 20.0 mL of HCl of unknown concentration with 0.100 M NaOH. Covers indicators, endpoint, equivalence point, and calculating the unknown concentration. [8:50]
Khan Academy
Khan Academy: Titration Calculation Example
An example of titrating a strong acid, hydrochloric acid, with a strong base barium hydroxide. Learn how to calculate the unknown concentration when you don't have a 1:1 molar ratio of H+ to OH-. [7:50]
Khan Academy
Khan Academy: Biology: Water, Acids, and Bases: Definition of P H
This video will explore the pH scale. See some examples of how to calculate the pH of water, orange juice, and bleach. [11:37]
Khan Academy
Khan Academy: Chemistry: Introduction to P H, P Oh, and P Kw
A description of the autoionization of water. [18:09]
Khan Academy
Khan Academy: Chemistry: P H, P Oh of Strong Acids and Bases
A video lecture giving examples of how to find the pH and pOH of strong acids and bases. Also learn how to calculate the pKw of water. [14:49]
Khan Academy
Khan Academy: Bronsted Lowry Definition of Acids and Bases
See the Bronsted-Lowry definition of acids and bases explained, and learn how to conjugate acids and bases. [8:57]
Sophia Learning
Sophia: P H Scale: Lesson 2
This lesson will introduce the pH scale as a representation of proton concentration indicating acidity. It is 2 of 3 in the series titled "pH Scale."
Bozeman Science
Bozeman Science: P H and Buffers
In the following video Paul Andersen explains how buffer solutions maintain pH in a solution. A buffer solution is made up of a weak acid and its conjugate base. As strong acids or bases are added the pH remains stable. A good buffer...
![Sophia: Calculating [H+]: Lesson 2 Instructional Video](https://content.lessonplanet.com/knovation/original/153159-5e8d2117c1c6c25be5b0a672ef084034.jpg?1661759516 "Sophia: Calculating [H+]: Lesson 2 Instructional Video")
Sophia Learning
Sophia: Calculating [H+]: Lesson 2
This lesson will demonstrate how to calculate the H+ concentration given the pH of a solution. It is 2 of 2 in the series titled "Calculating [H+]". [4:47]
Sophia Learning
Sophia: Calculating P H: Lesson 2
This lesson will demonstrate how to calculate the pH of a solution given the hydrogen ion concentration. It is 2 of 2 in the series titled "Calculating pH."