National Institute of Open Schooling
Chemical Equilibrium
Le Chatelier's interest in thermodynamics and building materials such as cement and plaster led to the Le Chatelier Principle in 1884. Activity 13 in a series of 36 extensively explores chemical equilibrium. Learners read about...
National Institute of Open Schooling
Ionic Equilibrium
Scientific studies show the older we get, the more acidic we become. The activity extensively teaches high schoolers about acids and bases. By the end of the 14th installment of 36, they can define and explain three concepts of...
National Institute of Open Schooling
Spontaneity of Chemical Reactions
Do spontaneous reactions really occur? Activity 12 in a series of 36 focuses on spontaneity of chemical reactions. Learners read about, discuss, and answer questions pertaining to entropy, explain the third law of thermodynamics, explore...
Khan Academy
Khan Academy: The Equilibrium Constant K
Reversible reactions, equilibrium, and the equilibrium constant K. Learn how to calculate K, and how to use K to determine if a reaction strongly favors products or reactants at equilibrium.
Khan Academy
Khan Academy: Calculating Equilibrium Constant Kp Using Partial Pressures
A thorough reference providing the definition of equilibrium constant Kp for gas phase reactions, and how to calculate Kp from Kc.
Other
New Mexico State University: Chemical Equilibrium
A one page tutorial which teaches the viewer how to predict and write equilibrium expressions and use them to calculate equilibrium concentrations. Discusses Le Chatelier's Principle.
Simon Fraser University
Chem1 Virtual Textbook: How to Write Equilibrium Expressions
Acting as an overview from the General Chemistry Virtual Textbook, this site explores a range of topics related to equilibrium expressions including concentrations and pressures in equilibrium expressions, unchanging concentrations,...
Upper Canada District School Board
Tom Stretton's Chemistry Pages: The Equilibrium Constant
This illustrated slideshow presents the chemistry concept equilibrium constant in a chemical reaction.
Shodor Education Foundation
Shodor: Equilibrium
A presentation of the basics of chemical equilibrium, covering equilibrium expressions, Le Chatelier's principle, and sample calculations.
Chem4kids
Chem4 Kids: Equilibrium Basics
This Chem4Kids.com site explains what equilibrium is in easy-to-understand language. Content includes a great example, as well as exploring different things which effect the position of equilibrium.
Simon Fraser University
Chem1 Virtual Textbook: Effects of Dilution on an Equilibrium
Acting as an overview from the General Chemistry Virtual Textbook, this site explores equilibrium and equilibrium constants in reference to dilution. Formulas and charts are also provided on the subject.
Other
Chemical Equilibrium: Solubility Products
This site provides information on how to calculate the solubility products of different elements.
Khan Academy
Khan Academy: The Reaction Quotient Q
Definition of reaction quotient Q, and how it is used to predict the direction of reaction.
Other
States of Matter and Properties of Gases: Terms
A very complete list of terms that are important to the study of gases. This resource is a web archive.