What is activation energy?

The energy barrier a reaction must overcome.

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  1. The energy of a product
  2. The color of a flame
  3. The energy barrier a reaction must overcome ✔

Why: Reactants need to overcome an energy barrier called activation energy for a reaction to occur.

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References

Answer: The energy barrier a reaction must overcome. Reactants need to overcome an energy barrier called activation energy for a reaction to occur.

  1. Chemistry en.wikipedia.org/wiki/Chemistry
    Chemical reactions are invariably not possible unless the reactants surmount an energy barrier known as the activation energy
    Checked 2026-11-07.

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