CK-12 Foundation
Fish vs. Rose
Examine the science behind rates of diffusion. The video lesson and following interactive activity focus on the molecular components of different smells. Learners monitor the diffusion of each smell as they 'race' through a room.
Curated OER
Vocabulary - The Gas Laws
For this gas laws worksheet, students use textbooks and dictionaries to find the definitions of 20 terms associated with the gas laws.
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...
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.
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.
Iowa State University
Iowa State University: Effusion Experiment 2
Tutorial relates to effusion. Students will conduct an experiment to determine the molecular weight of an unknown gas.
Curated OER
Kids Health: Knee Injuries
If you're involved in sports and your knee becomes injured, chances are you'll have to sit out. Learn more on this site about the types of knee injuries, what doctors do to fix the injury, and how they can be prevented. Links to similar...
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.
Simon Fraser University
Chem1 Virtual Textbook: Effusion and Graham'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 both effusion and its relation to Graham's law.
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
South Carolina University: Effusion and Diffusion
Graphic from a slide show shows the concept of effusion nicely. Definitions included.
University of Nebraska
Do Chem: Graham's Law
A lab setup, fairly simple, to illustrate Graham's Law. Check it out!
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.