Other
Chem Guide: Strong and Weak Acids
This page from a retired Chemistry professor explains the terms strong and weak as applied to acids. As a part of this it defines and explains what is meant by pH, Ka and pKa and emphasizes the importance of not confusing the words...
Other
Siyavula: Everything Maths and Science: P H
This site defines pH and provides several relevant examples and calculations.
US Geological Survey
Us Geological Survey: Water Properties: P H
This resource explains what pH is and how it relates to water. The resource includes a colored graphic of the pH levels and a map of pH levels around the USA.
John Wiley & Sons
Concepts in Biochemistry: Concept Reviews: Water, P H, and Non Covalent Bonding
A detailed review of water and its structure. Included are diagrams, animated graphics, and review quizzes. For the advanced high school student.
Royal Society of Chemistry
Royal Society of Chemistry: Gridlocks: Level 3
A collection of grid puzzles that cover a wide variety of topics in advanced high school chemistry. These are excellent for topic review and reinforcement. The puzzles can be played online and also downloaded as worksheets. Answers are...
CK-12 Foundation
Ck 12: The P H Concept
[Free Registration/Login may be required to access all resource tools.] In this module, students will define pH and use the hydrogen or hydroxide ion concentrations to calculate the pH of a solution. They will also differentiate among...
CK-12 Foundation
Ck 12: Acid and Base Strength
[Free Registration/Login may be required to access all resource tools.] Help distinguish between degrees of dissociation for strong and weak acids and bases, and then define pH and use the hydrogen or hydroxide ion concentrations to...
CK-12 Foundation
Ck 12: Acid Base Neutralization
[Free Registration/Login may be required to access all resource tools.] Students will understand and differentiate among acid-base reactions, precipitation reactions, and oxidation-reduction reactions.
CK-12 Foundation
Ck 12: Salt Solutions
[Free Registration/Login may be required to access all resource tools.] Students begin by predicting whether a salt solution is acidic, basic, or neutral, and then practice writing balanced equations for hydrolysis reactions. They also...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Acid Base Solutions
How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Basics
Test the pH of everyday liquids such as coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Investigate how adding more of a liquid or diluting with water affects pH.
Georgia Department of Education
Ga Virtual Learning: Ap Chemistry: Acid Base and Solution Equilibrium
Through a variety of activities, students learn that not all acid and base reactions go to completion, and instead, they establish equilibrium. Acid-base equilibrium expressions have their own constants, ka and kb. Students will perform...
Khan Academy
Khan Academy: Water Autoionization and Kw
Learn about the autoionization of water, the autoionization constant Kw, and the relationship between [H+] and [OH-] in aqueous solutions.
OpenStax
Open Stax: Anatomy & Physiology: Physical Characteristics of Urine
Students learn the chemical make-up and pH of urine in the human body.
American Chemical Society
American Chemical Society: Hompage
ChemCenter, available from the American Chemical Society, provides chemistry news, reference sources and other public services.
TeachEngineering
Teach Engineering: Breathing Cells
Students use a simple pH indicator to measure how much CO2 is produced during respiration, at rest and after exercising. They begin by comparing some common household solutions in order to determine the color change of the indicator....
TeachEngineering
Teach Engineering: Groundwater Detectives
Student teams locate a contaminant spill in a hypothetical site by measuring the pH of soil samples. Then they predict the direction of groundwater flow using mathematical modeling. They also use the engineering design process to come up...
TeachEngineering
Teach Engineering: Basically Acidic Ink
Students hypothesize whether vinegar and ammonia-based glass cleaner are acids or bases. They create designs on index cards using these substances as invisible inks. After the index cards have dried, they apply red cabbage juice as an...
TeachEngineering
Teach Engineering: Things That Matter to Flocculants
Prior to reaching households, water is exposed to a variety of treatments designed to render it fit for human consumption and use. One of the first treatment steps is the removal of suspended solids using chemical additives called...
TeachEngineering
Teach Engineering: Red Cabbage Chemistry
Students take advantage of the natural ability of red cabbage juice to perform as a pH indicator to test the pH of seven common household liquids. Then they evaluate the accuracy of the red cabbage indicator, by testing the pH of the...
TeachEngineering
Teach Engineering: Basically Acids
Students learn the basics of acid/base chemistry in a fun, interactive way by studying instances of acid/base chemistry found in popular films such as Harry Potter and the Prisoner of Azkaban and National Treasure. Students learn what...
Wyzant
Wyzant: Acids and Bases
This site presents everything you need to know about acids and bases and more! Gives a nice description on what acids and bases are, properties of both, strong and weak acids and bases, an overview of pH, and much more.
![Sophia: Calculations: P H, P Oh, [H+], [Oh ] Unit Plan](https://content.lessonplanet.com/knovation/original/218428-81e36f3b80bf76c44b558309eac1c9b2.jpg?1661242989 "Sophia: Calculations: P H, P Oh, [H+], [Oh ] Unit Plan")
Sophia Learning
Sophia: Calculations: P H, P Oh, [H+], [Oh ]
Created to teach students of the 21st century, SOPHIA is bringing chemistry calculations straight to your fingertips. Become the commander of your own learning experiences as you take part in this interactive lesson.
Other
New Brunswick Waste Management /"Backyard Magic"
Comprehensive description of the environmental benefits of composting solid waste. Complete directions for composting, detailed description of composting chemistry, suggestions for applications of humus, question and answer page,...