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# Diffusion and Effusion

## Perform calculations involving the movement of gases

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Diffusion and Effusion and Graham's Law

by CK-12 //at grade
Covers the processes of diffusion and effusion and gives examples of calculations involving these parameters.
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• Interactive Simulations

## Fish vs. Rose

by CK-12 //at grade
Use this simulation to explore the relationship between diffusion and molecular mass.
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• PLIX

## Graham's Law

by CK-12 //at grade
Diffusion and Effusion Interactive
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• Video

## Diffusion of Bromine Vapor

by CK-12 //at grade
Shows the diffusion of bromine gas up a test tube.
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## Diffusion and Effusion and Graham's Law Quiz

by CK-12 //at grade
Reviews the processes of diffusion and effusion and how to use Graham's law to perform calculations involving the movement of gases.
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• Real World Application

## An Enriching Experience

by CK-12 //at grade
Learn how effusion is used to turn uranium ore into usable nuclear fuel.
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