Learning Goals

You will see some very practical applications of some of the new material in this chapter.


We will not amplify upon this short section, but recommend that you read the section very closely for these are very interesting applications.

Review Questions

  1. Use a search engine to find papers on the internet related to "helium speech descrambling" devices and share these with your class on the WebCT discussion board
  2. Why do divers have to pause at some levels as they are coming up from deep dives? Look up "the bends" and share the information with your study group
  3. Why does helium escape so easily from a sealed ordinary balloon?


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