Attractions between Molecules

Entry Task

We kicked off 2019 with Lesson 42: Attraction between molecules.  Students received the Lesson 42 Worksheet and then we briefly reviewed functional groups and the concept of polarity.  The lab calls for students to observe the characteristics of water, acetic acid, isopropanol, and hexane (molecular structures are shown below):


Notes from the whiteboard depicting the lab setup are shown below:



  • Read Lesson 42 in the textbook.  Login via and enter your username and password:
    • Username: wahps****s-####### (**** = first 4 letters of your last name and ####### = student number).  Remember to include the dash between s and #.
    • Password: S-####### (the S must be capitalized)
  • Write notes for Lesson 42 on the Chapter 8 Notes handout.
  • Work through the practice problems at the end of Lesson 42.
  • Please ask questions about anything from Lesson 42 you do not yet fully understand.

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