Learners explore atomic measurement in the first activity in a series of 36. Through readings, activities, and questions, classes review standard SI units, learn about Avogadro's constant, and use it to help them calculate moles. They...

In an electrolytic cell, electrical energy is converted into chemical energy, the exact opposite of a battery! Lesson 15 in a series of 36 explores electrochemistry. Participants begin by reading and discussing oxidation/reduction...

You can't tell by the title, but this is a functional periodic table of elements. Incorporating bright colors, lucid text, and easily operated features, this application serves as a valuable reference tool for your chemistry class.

Need to prep your science learners in math? Here is a resource that serves as a review guide to support your scientists with the math they need to be successful in chemistry. Comes with basic algebraic problems and a review of...

Explains what molarity is and how to calculate the molarity of a solution using a formula. Includes example problems.

Explains what molarity is and how to calculate it using the molarity formula.

A lengthy listing of values for specific heats and molar heat capacities for a variety of substances at 20 C. An explanation is given for why molar heat capacities for metals are nearly the same.

This site shows how to compute molar mass by working through an example.

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 the molar mass of gas mixtures. Applications of Dalton's law are also...

The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section covers a variety of topics related to moles, including molecular weight and density...

Chem4Kids! provides an overview of the symbols representing numerical values in chemical equations. Each symbol is defined and described.

As part of the "Basic Atomics" section of the Virtual Textbook, this site examines moles. The information presented defines moles in relation to Avogadro's number and then goes on to describe molar mass and molar volume.

The anatomy of the mouth and of teeth is described. An interactive diagram gives an excellent portrayal of the different types of teeth, and of the internal structure of a tooth. Health problems that can develop are also described.

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

The ideal gas law is derived from the empirical gas laws. The ideal gas law equation of state is listed and discussed. The universal gas constant is explained and its value is listed in five different sets of units. Standard temperature...

Grasshopper Mice are adapted to a predatory lifestyle. Their molar teeth have high-cusped shearing surfaces for puncturing and slicing, and their biting strength is increased through enlarged muscle attachments on the lower jaw and...

Explanation of how to calculate empirical and molecular formulas.

An overall summary of the major units of the concentration of a solution, including normality.

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

A brief explanation of Normality.

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.