Video Link: https://www.youtube.com/watch?v=RUNhM4AtMZ0

11-02-2012 19:41 Describe the effect of a catalyst on a chemical reaction. A catalyst increases the rate of a chemical reaction by providing an alternate reaction pathway with a lower activation energy. It is NOT used up in the reaction -- so you can wash it and reuse it! Activation energy is the minimum energy required for a reaction to occur. The cat harmed at the end was in fact plastic -- but you need to look closely.

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6.2.6 Describe the effect of a catalyst on a chemical reaction IB Chemistry SL - Video