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.

Concepts

equilibrium, chemical equilibrium, phase changes, reactants, products, equilibrium constant, concentrations

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Additional Tags

science

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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

SL.9-10.2