Catalyst

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A catalyst is a substance that can be in a solid, liquid or gaseous form. The aim of a catalyst is to increase the rate of a reaction by lowering the activation enthalpy of a reaction. Meaning a higher majority of the atoms or molecules can react, so more product is formed from reactants. A catalyst itself is unchanged at the end of a reaction, therefore, can be reused[1].

See Catalysis.

References

  1. Hamers L. Explainer: What is a catalyst? [Internet]. Science News for Students. 2018 [cited 10 December 2018]. Available from: https://www.sciencenewsforstudents.org/article/explainer-catalyst-chemistry
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