OCR A-Level Chemistry Catalysts

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  • Catalysts
    • Examples of Catalysts?
      • Maganese dioxide, nickel, sulfuric acid, ceramics.
    • How Do They Work?
      • First they absorb the particles that are waiting to react. The catays then weakens the bonds which lowers the activation energy required to get the reaction going. The molecules then react and the products are desorbed from the catalyst.
    • Importance in Green Chemistry
      • Green chemistry is the form of chemistry which aims to reduce waste and catalysts do this. They reduce the amountof activation energy and reduce the amount of unreacted waste.
    • Importance of Catalysts
  • How Do They Work?
    • First they absorb the particles that are waiting to react. The catays then weakens the bonds which lowers the activation energy required to get the reaction going. The molecules then react and the products are desorbed from the catalyst.

Comments

Dami

Very nice. So much detailed information. Everything that i need to know about catalysts. Just needs a bit more colour.

For example, here is a better one http://getrevising.co.uk/diagrams/catalysts_4

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