Curated OER
Percent Mass, Moles, and Avogadro Worksheet
In this moles instructional activity high schoolers complete a set of calculations to find how many atoms and moles are in different substances.
Shodor Education Foundation
Shodor: Gas Laws
An excellent site for understanding and applying the ideal gas law. The combined and other variations of the ideal gas law are derived. There are sample application problems with an abbreviated method of solving the problems.
Other
National Mole Day Foundation: Mole Day
This is the official site for Mole Day. It contains many links, a definition, and the official mole pledge.
TED Talks
Ted: Ted Ed: How Big Is a Mole? (Not the Animal, the Other One.)
Video describes how moles are used in chemistry and how their size is measured. [4:33] Followed by a short quiz and a list of additional resources to explore.
Georgia State University
Georgia State University: Hyper Physics: Ideal Gas Law
This site defines and discusses the ideal gas law. The concept of state variables is explained and the various state variables are identified. Links to further information is available.
Simon Fraser University
Chem1 Virtual Textbook: Moles and Their Uses
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.
Towson University
Towson University: Ideal and Real Gas Laws
The ideal gas law is stated and explained at this site from the Towson University. It is then used to derive the other gas laws (Charles, Boyle's, Gay-Lussac's, Avogadro's, combined, etc.). Other gas law relationships are discussed....
Other
Classic Chemistry: Jean Perrin
An excerpt of Perrin's paper "Brownian Motion and Molecular Reality". Includes references.
Other
Chris Johnson: Amedeo Avogadro
This site deals with Amedeo Avogadro, his life, his contributions to chemistry, and his famous number.
Wyzant
Wyzant: Chem Tutor: Gases
A lengthy page covering most all the gas laws. Each law is described in words and stated as an equation. The use of each law in solving problems is demonstrated. Some problem-solving tips are provided. There are 23 practice problems with...
Iowa State University
Iowa State University: Argument for Scientific Realism
This page from Iowa State University describes the various experimental ways that Avogadro's number has been determined.
University of Florida
Chemistry 2041 Lecture Notes: Ideal Gases
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.
Other
Lock Haven: Glossary of Frequently Misused or Misunderstood Physics Terms
A page, written by Donald E. Simanek of Lock Haven University discusses misused and misunderstood physics terms and concepts. It reminds us that Avogadro's number is a constant, and should be treated as such.
Frostburg State University
General Chemistry Online: Gases Faq
Float away with the answers to many frequently asked questions about gases. Understand Avogadro, reaction stoichiometry and more.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Relating Mass to Number of Particles: Audio Book
This slide and audio book shows how to relate mass to a number of particles by using many formulas, examples, and real life scenarios. View the weighted average calculations, Avogadro's number, the atomic mass of carbon, and molar mass.
University of Sydney (Australia)
Thermal Physics Module: Ideal Gases [Pdf]
A molecular model of a gas is introduced and explained. Assumptions behind the ideal gas law are presented. The ideal gas law is stated. Charles' law and Boyle's law are derived from the ideal gas law.
Simon Fraser University
Chem1 Virtual Textbook: Avogadro's Law
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 a series of topics related to gas laws including information directly on...
Sophia Learning
Sophia: Molar Volume of a Gas: Lesson 1
This lesson will define the molar volume of a gas as the volume 1 mole of gas takes up at standard temperature and pressure. It is 1 of 2 in the series titled "Molar Volume of a Gas."
ClassFlow
Class Flow: Gas Laws
[Free Registration/Login Required] This flipchart covers core concepts of Gas Laws for High School Chemistry. Topics covered are Boyles Law, Charles, Gay Lussac, Combined Gas Law, Avogadro volume, Temperature Conversion between Kelvin...