This lesson demonstrates how to convert from grams to particles (molecules, atoms, ion). It is 2 of 2 in the series titled "Converting from Grams to Particles."

Activity 2 investigates Why is water different from other liquids? This activity will discover the properties of different liquids. Students will explore what makes honey gooey and thicker than water. And why some liquids evaporate...

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.] In the following online tutorial students will learn to calculate the amount in moles of a reactant or product from the mass of another reactant or product. They...

A very complete list of terms that are important to the study of gases. This resource is a web archive.

This section from the online textbook, "An Introduction to Chemistry", gives the steps to calculate the percent of an element in a compound. A few example calculations are shown. Also find links to chapter maps and power points for other...

Using the example of a cake recipe, students find the ratios between different ingredients, which introduces the concept of mole ratios. They then calculate the mole ratios in a chemical equation, and learn how this applies to...

Explains vocabulary used when talking about the yield of a chemical reaction and models how to calculate the theoretical and the percentage yield in an example problem.

This chapter on chemical calculations and equations focuses on equation stoichiometry. Learn how to convert masses, use limiting reactants, and calculate the molarity of a solution.

Students use a Conductivity Probe to measure change in conductivity during a chemical reaction and determine the equivalence point of the reaction They determine the mass of the product and calculate the molar concentration of the...

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