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.
CK-12 Foundation
Ck 12: Earth Science: Seawater Chemistry
[Free Registration/Login may be required to access all resource tools.] Describes the composition of seawater, including dissolved ions in seawater and their source.
Dartmouth College
Dartmouth College: Chem Lab: Coordination Chemistry 3.2
In this experiment, you will study the reaction between your cobalt complex and the nitrite ion. The nitrite ion can exchange with a water ligand and the mechanism of this ligand exchange will be investigated. Requires Java plug-in.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Nitrate
Discusses the chemistry of nitrate, the negative agricultural effects of too much nitrate in soil and in water sources, its toxicity to plants and livestock, and the impact on human health.
American Chemical Society
Middle School Chemistry: P H and Color Change
Students see a demonstration of a color change using universal pH indicator and then change the concentrations of an acid and a base using a universal indicator to test the pH of the resulting solutions. Through an animation, they see...
CK-12 Foundation
Ck 12: Chemistry: Dissociation
[Free Registration/Login may be required to access all resource tools.] Covers dissociation of ions in water, writing equations.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: P H and Equilibrium
Learn where acids and bases fall on the pH scale and the correlation between hydrogen and hydroxide ions. See many examples of how to calculate the pH of a substance. Also find links to the chemistry textbook and tutorials.
Chem Tutor
Chem Tutor: Chemistry: Compounds
This lesson focuses on chemical compounds including Ionic and Covalent Bonds, Valences, Lewis Structures, Binary Covalent Compounds, Radicals or Polyatomic Ions, and much more. It also includes a compound worksheet in which the learners...
CK-12 Foundation
Ck 12: Acids and Bases
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will define acids and bases in terms of the ions that are produced when each type of compound is dissolved in water. They...