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Since 1977

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firewatch

A bowl-shaped piece of rubber is dropped from a height of 5–10 cm and bounces a little as might be expected. It is then dropped from a height of 20–30 cm, and surprisingly bounces more than 100 cm into the air! This serves as an ideal model for the discussion of exothermic reactions and their activation energies.

Concepts

  • Activation Energy
  • Exothermic Reactions
  • Kinetics
  • Potential Energy
  • Kinetic Energy