Chemistry Collective
Chem Collective: Determining the P Ka and Concentration Ratio
Use the virtual lab to determine the pKa of a protein then create a buffer solution with a specific concentration ratio of the protein in its protonated/ unprotonated form.
Chemistry Collective
Chem Collective: Dna Dye Binding: Equilibrium and Buffer Solutions
Students examine equilibrium and buffer solutions in a biological setting.
Science Buddies
Science Buddies: Make Your Own P H Paper
In this "kitchen chemistry" project about acid/base chemistry, you will measure the acidity or alkalinity of a solution using a logarithmic scale called the pH scale. As you learn about the pH scale, you will have the chance to make your...
Simon Fraser University
Chem1 Virtual Textbook: Oxalic Acid
Acting as an overview from the General Chemistry Virtual Textbook, this site acts as one in a series of slides on acid-base systems. This particular slide deals with a diprotic acid, oxalic acid.
Simon Fraser University
Chem1 Virtual Textbook: Protons and Electron Pairs
Acting as an overview from the General Chemistry Virtual Textbook, this site explores Lewis acids and bases with specific attention directed toward protons and electron-pairs. Other topics covered include proton-transfer reactions...
Open Curriculum
Open Curriculum: Amphoteric Substances
The objective of this article is to introduce amphoteric substances in the context of acid-base chemistry.
Frostburg State University
General Chemistry Online: Chemical Change Faq
Investigate the answers to many commonly asked questions about chemical change. This comprehensive list will address chemical equations and double displacement reactions in addition to other topics.
Science Buddies
Science Buddies: Using Pennies to Test How P H Affects Copper Corrosion
In this science fair project, use a color-based reaction to test how pH affects copper corrosion in pennies.
Science Bob Pflugfelder
Science Bob: Lemon Chemistry: An Acid Base Experiement
Science Bob presents instructions for conducting an acid-base experiment using common supplies with information on how it works.
Other
Washington University: P H Buffers in the Blood
This site from the Department of Chemistry at the Washington University is an excellent site on how buffers are used in the human body and how they react to exercise.
Chem Tutor
Chem Tutor: Chemistry: Titration and P H Math Problems
This is a titration and ph math problem exercise; the answers are also provided.
ClassFlow
Class Flow: Acid Base Titration
[Free Registration/Login Required] Determination of the Molarity of an Acid or Base Solution.
US Environmental Protection Agency
Epa: Measuring P H Experiment
This is an activity that deals with acid rain. "This experiment will illustrate how to measure the approximate pH of chemicals in water using a pH indicator." It is easy to follow the comprehensive set of directions.
University of Arizona
Ua: Chemistry Tutorial
This general tutorial begins with an explanation of the polarity of the water molecule and the effects this polarity has on the properties of water. Goes on to introduce organic molecules and has a thourough tutorial on the third page.
American Chemical Society
Middle School Chemistry: Co2 Reacting With Water
See how carbon dioxide reacts with water to produce carbonic acid.
Wikimedia
Wikipedia: Electrolyte
This encyclopedia article offers a general overview of electrolytes. Content differentiates the difference in meaning when used in the context of chemistry vs. the context of physiology.
Simon Fraser University
Chem1 Virtual Textbook: The P H Scale
Acting as an overview from the General Chemistry Virtual Textbook, this site explores the pH scale and its characteristics including a chart mapping the various levels of the scale.
TeachEngineering
Teach Engineering: Engineering Out of Harry Situations
Under the "The Science Behind Harry Potter" theme, a succession of diverse complex scientific topics are presented to students through direct immersive interaction. Student interest is piqued by the incorporation of popular culture into...
Chemistry Collective
Chem Collective: Current Collection of Virtual Lab Problems
A collection of over 30 virtual chemistry problems with accompanying interactive activities. Each problem includes a word file for potential differentiation in your classroom.
Frostburg State University
Frostburg State General Chemistry Online: Electrolytes
These are slides eight through ten of a set of slides about Chemical reaction in solution. These slides discuss strong and weak electrolytes, acids, bases, and salts.
Frostburg State University
General Chemistry Online!: Why Are Acids Called Proton Donors?
This page provides a concise explanation of why acids are called proton donors.
US Environmental Protection Agency
Epa: Making a Natural P H Indicator
At this site you will find a step by step process for making a natural pH indicator. One of the main materials you need to have on hand is a red cabbage.
CK-12 Foundation
Ck 12: Physical Science: P H Concept
[Free Registration/Login may be required to access all resource tools.] Definition of pH and the strength of acids and bases. How to use the pH scale and why pH is important to living things.
Texas Instruments
Texas Instruments: Microscale Acid Base Titration
In this activity, students' will use a pH sensor to determine the change in pH during a titration of a known concentration of NaOH and unknown concentration of HCl. Students' will determine the concentration of unknown HCl.