Instructional Video

Kc vs Qc: An Introduction to Equilibrium

Curated and Reviewed by Lesson Planet

Why are some reactions sort of like watching a tennis match? Introduce junior chemists to the basics of equilibrium using a video from JFR Science. Topics include why and how reactions shift from products back to reactants, factors that affect equilibrium, and equilibrium-specific terminology.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Use the video to help pupils differentiate between equilibrium constant and reaction quotients
  • Include a few more examples similar to the water bottle described in the resource to beef up the lesson
Classroom Considerations
  • No prior knowledge of equilibrium is needed, but viewers should be comfortable with reactions, equations, and concentration
  • This video is hosted on YouTube
Pros
  • The narrator keeps explanations simple
  • Sample problems let learners work alongside the video
Cons
  • None
Common Core