Integrated Publishing
Integrated Publishing: Irrational Roots
A brief lesson on when irrational roots occur when solving quadratic equations, and how to find them. Contains examples, exercises, and solutions.
Purdue University
Purdue University: What Is a Solution?
Unusual graphics help students visualize solutions on a molecular scale.
Libre Text
Libre Texts: Chemistry: Solubility and Factors Affecting Solubility
Understand how temperature, pressure, and the presence of other solutes affect the solubility of solutes in solvents.
Other
Department of Homeland Security: Protect Myself From Cyber Attacks
Use these steps to help devise a solution to counter a cyber attack.
Purple Math
Purplemath: Solving Quadratic Inequalities: Concepts
Introduces a conceptual basis for solving quadratic inequalities, looking at linear inequalities and using a knowledge of what quadratic graphs look like.
Thinkport Education
Thinkport: Made Clear: What Can You Do? What Can We All Do?
Can we do anything to slow climate change or prepare for the problems it brings? Yes, people across the globe are working on solutions.
PBS
Pbs: Graphing a System of Equations
Solve a number riddle by finding the point of intersection for two lines. This video focuses on finding the solution for a system of equations, they are represented as an algebraic expression and a set of linear equations that are...
Georgia State University
Georgia State University: Hyper Physics: Precipitation Reactions
This site from Georgia State University discusses the precipitation reactions and deals with the lead iodide product. Links are provided to information on double replacement reactions as well as ionic compounds. Not too in-depth, this is...
Science Education Resource Center at Carleton College
Serc: Mn Step: Solutions: Solubility and Miscibility
For this activity, learners will test the solubility and miscibility of various substances in water, and explain the chemistry involved. They will also be given a solid and a liquid and asked to predict what will happen when each is...
Purdue University
Purdue University: Solutions
This site, which is provided for by the Purdue University, gives types of solutions, concentration, dilution, and titration.
Michigan Reach Out
Reach Out Michigan: Are All Liquids the Same
This experiment demonstrates the density of selected liquids.
Purdue University
Purdue University: Calcium Hydroxide Crystal Structure
A picture of the crystal structure of calcium hydroxide. Additional plug-in required.
Wikimedia
Wikipedia: Alloy
This site from the Encyclopedia Wikipedia provides the definition of the term, "Alloy," and then offers hyperlinks to special alloys. The information is very brief, but factual, and worth checking out on the subject.
PBS
Pbs Teachers: Water Density
Demonstrate the effect that dissolving different amounts of salt in water has on the density of the liquid.
University of California
Foss Web: Mixtures and Solutions Module: Junkyard Analysis
Do you know the difference between a mixture and a solution? Test your knowledge in the junkyard as you try to dissolve various objects in water. Requires Shockwave.
San Diego State University
San Diego State University: Polar Solute
A knowledge map with clickable links related to polar solutes.
San Diego State University
San Diego State University: Nonpolar Solute
A knowledge map with clickable links related to nonpolar solutes.
Chem Tutor
Chem Tutor: Solutions
An in-depth look at solutions and their properties. Includes practice problems for calculating solution concentration.
John Wiley & Sons
Wiley Higher Education Precipitation Reactions
This page has a RealVideo movie of the precipitation of mercury(I) iodide, with explanatory text.
John Wiley & Sons
Wiley: Aqueous Solution of a Non Electrolyte
This page has a good discussion of nonelectrolytes in solution, with animated graphics.
Frostburg State University
General Chemistry Online: Reactions in Solution
Resource provides a set of 18 slides that discuss chemical reactions in solution. Slides 15-18 discuss metathesis (double replacement) reactions, including formation of insoluble precipitate.
Sophia Learning
Sophia: Molality: Lesson 2
This lesson introduces molality as a unit of concentration. Distinguish from molarity as a unit.
Sophia Learning
Sophia: Molarity: Lesson 1
This lesson introduces molarity and explains what units are used to label solutions of various concentrations. It is 1 of 3 in the series titled "Molarity."
Sophia Learning
Sophia: Solutions: Lesson 7
This lesson defines the term solution. It is 7 of 8 in the series titled "Solutions."