[Free Registration/Login may be required to access all resource tools.] Students investigate the conditions under which the enthalpy change in a reaction is equal to the heat absorbed or released. Then, they have the opportunity to write...

In this experiment, you will examine the acidity of your coordination complex's water ligand. You will determine the acid dissociation constant of the complex by titrating it with a base. There are eight weeks of experiments in this series.

[Free Registration/Login may be required to access all resource tools.] Students determine the temperature at which a reversible reaction will achieve equilibrium by using the Gibbs free energy equation, and then describe the...

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.

A simple overview of the chemical structure and function of aspirin. Follow links to learn about the story of aspirin, its reactions, and related products.

How to use mole ratios from a balanced reaction to calculate amounts of reactants.

Test your knowledge of chemical bonds.

[Free Registration/Login may be required to access all resource tools.] Students write net ionic equations for double-replacement reactions that produce precipitates, gases, or molecular compounds, write net ionic equations for...

Students continue the research begun in the associated lesson as if they were biomedical engineers working for a pharmaceutical company. Groups each perform a simple chemical reaction (to precipitate solid calcium out of solution) to...

Svante Arrhenius was born in Vik, Sweden, and became the first native of that country to win the Nobel Prize. The award for chemistry was bestowed to him in honor of his theory of electrolytic dissociation. Arrhenius also developed the...

An exercise for students to practice balancing equations. Exercise gives one equation per page and after the students complete the problem it tells them whether their answer is correct or not. A good basic practice for students who need...

A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course covers topics like stoichiometry, acid-base and solubility equilibrium, oxidation-reduction reactions, chemical...

Try eighteen different chemistry experiments which look like magic but everything is a product of chemical reaction.

In this activity, students perform a reaction with different concentrations of reactants and monitor the temperature of the reaction. Activity contains procedure, analysis questions, and graph template. Students can save their answers...

After learning about and reviewing the types of chemical equations and rules for balancing, students can practice balancing equations on interactive quizzes.

In this activity you will: Explore exothemic and endothermic reactions. Create a classroom calorimeter to measure energy of a reaction.

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.

One of the first numerical problems encountered in introductory chemistry is that of "limiting reagents". This applet serves as a supplement to such calculations, providing imagery that helps students see beyond the rote mathematics.

Travel back in history and visit the laboratories of Priestley, Lavoisier, and others. Take part in simulations of the experiments which laid the foundation for the scientific field of chemistry. Learn about the discoveries which lead to...

An example of a calculation of the change in entropy in a simple chemical reaction.

In this experiment, three reactions are performed in a sealed Ziploc bag so that they can be observed. Students identify whether physical or chemical change has taken place.

See what happens when you mix vinegar, water, and baking soda.

See how carbon dioxide reacts with water to produce carbonic acid.

[Free Registration/Login may be required to access all resource tools.] Describes the law of conservation of mass.