Chem Tutor
Chem Tutor: Graham's Law of Diffusion (Or Effusion)
A decent site with a good explanation of Graham's Law of diffusion. Includes the formula for this law and some sample problems at the bottom of the page.
CK-12 Foundation
Ck 12: Gas Mixtures and Molecular Speeds
[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...
NASA
Nasa: Gas Properties Definitions
Use this site to learn about basic gas properties including motion, viscosity, and compressibility. Includes links to activities for all ages.
Simon Fraser University
Chem1 Virtual Textbook: Diffusion: Random Motion With Direction
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 diffusion along with topics such as concentration gradient and random...
University of Oregon
Virtual Laboratory: Thermodynamic Equilibrium
An interactive Java applet which depicts gas diffusion and emphasizes the importance of thermal equilibrium. Directions and challenges available.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Graham's Law?
Definitions, formulas, and fun facts for Graham's Law, Ideal Gas Law, and the Kinetic Molecular Theory.
Simon Fraser University
Chem1 Virtual Textbook: Some Consequences of Random Molecular Motion
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 random molecular motion and topics such as diffusion and effusion.
CK-12 Foundation
Ck 12: Chemistry Simulation: Speedy Smells
[Free Registration/Login Required] Explore how the mass of a molecule affects how quickly a smell will reach our noses.
Other
South Carolina University: Effusion and Diffusion
Graphic from a slide show shows the concept of effusion nicely. Definitions included.
Other
States of Matter and Properties of Gases: Terms
A very complete list of terms that are important to the study of gases. This resource is a web archive.
Other
Chemistry Tutorials and Simulations
This site includes brief Chemistry tutorials on how to simulate experiments illustrating a number of different topics.
University of Nebraska
Do Chem: Graham's Law
A lab setup, fairly simple, to illustrate Graham's Law. Check it out!
Cosmo Learning
Cosmo Learning: Video: Oxygen Transport
A video animation showing how oxygen is brought to the cells in the body. Follow the oxygen as it is taken in by the lungs as gas and then transformed into solution and carried by hemoglobin throughout the body. Also learn how oxygen...
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