Thermochemical Calculations

Viewers learn where the heat goes when phase changes take place with a presentation that explains the latent heat of phase changes, or, more specifically, the molar heat of fusion, solidification, vaporization, and condensation. The show ends with a mathematical problem asking scholars to find the amount of energy needed to complete a phase change. 

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Instructional Ideas

  • Make copies of the first slide for your classes to use as formula and constant references
  • Use a lab investigation to reinforce the concept of specific heat
Classroom Considerations

  • Expects an understanding of dimensional analysis
  • The second lesson in a four-part series
Pros

  • Begins with review of the previous lesson's material specifically related to the new lesson
  • Visuals add emphasis and further explanation to the key concepts on each slide
Cons

  • None