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In this activity, students investigate gaseous diffusion and effusion. After completing a laboratory experiment to gain a basic understanding of diffusion and effusion, students investigate carbon monoxide and hydrogen sulfide.

By the end of this activity, students should be able to:

  • understand the difference between diffusion and effusion
  • relate the diffusion of gases to the kinetic theory model for gases
  • link gaseous diffusion to the movement of toxic gases like carbon monoxide and hydrogen sulfide
  • provide a simple rap/poem/song to highlight the some of the dangers of poisonous gas diffusion.

Download the Word file (see link below) for:

  • introduction/background notes
  • what you need
  • what to do.

Useful links

Find out from Worksafe on how forklifts and carbon monoxide can be a potentially deadly combination.

Hydrogen Sulfide (H2S) Safety Program.

    Published 29 April 2014 Referencing Hub articles