Listen and watch as this audio book shows the relations of molar mass and chemical compounds. Discover the formula for molecular mass, ionic compounds, and formula units, and view several pictures about chemical formulas.

A JavaScript calculator which allows one to investigate the distinction between an ideal gas and a real (Van der Waal or Dieterici) gas. State variables can be entered and an update on the values of other variables are given (as...

Through informational text, interactive practice problems, video clips, and real-world application, students are introduced to the science of Stoichiometry.

Students explore the concept of a mole and molar mass, and how these values are used in chemistry.

A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course teaches periodic table, chemical bonds, molecular shape, phase changes, chemical reactions, stoichiometry,...

This audio book discusses the properties of gases. The author talks about many gas relationships: pressure/volume, pressure/temperature, volume/temperature, pressure/moles, and volume/moles.

Test your knowledge of moles by practicing this animated exercise. Fill in the conversion factors for the molar mass and see if you are a mole master!

Frostburg State University provides an example of a problem dealing with how to find expected yield. Includes step-by-step directions on how to solve the problem.

Deepen your understanding of the mole in chemistry. Find out the origin of the term, and the formulas it represents.

This is an activity that is designed to introduce students to the concept of the mole.

Provides a definition for both mole and molar mass and gives a step-by-step example problem to work through that shows how to compute molar mass. Also has a a molar mass calculator in which you can practice problems on.

The University of North Carolina at Charlotte Chemistry Department provides slides 36-40 of this a 40-slide PowerPoint presentation. The site discuss real gases and the van der Waals equation of state. The explanation for why gas samples...

ChemCenter, available from the American Chemical Society, provides chemistry news, reference sources and other public services.

Read how to use molar mass equations to find conversion factors and molecular compounds. View several examples using given formulas for molar mass.

The ideal gas law is presented and explained. The derivation of other gas laws is performed. Gas behavior is explained in terms of gas laws. Excellent graphics.

A collection of video lectures to teach junior high students topics in chemistry. Lectures cover topics in understanding the periodic table, compounds, chemical bonding, Avogadro's number, balancing chemical equations, stoichiometry,...

[Free Registration/Login may be required to access all resource tools.] The following online tutorial helps students use Dalton's Law and mole fraction to calculate the partial pressure of a gas in a mixture. They will learn to calculate...

The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section deals with gases and specifically mole fractions and volumes.

Explains the essence of limiting reactant problems using a sample problem: How can an amount of product (KNO3) be predicted from amounts for two reactants (KCl and HNO3)? Shows the work and explains how to solve these types of problems.

This site deals with Amedeo Avogadro, his life, his contributions to chemistry, and his famous number.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will learn the Ideal Gas Law, and know which of the different values for the ideal gas constant to use in a given...

Practice calculating pressure, volume, temperature, and moles of gas using the ideal gas equation.

This online textbook chapter provides learners with advanced-level reading and practice material on stoichiometry

This is a complete course in chemical stoichiometry, set in a scenario that shows how stoichiometry calculations are used in real-world situations. This course has been designed to not only help you strengthen your skills with...