Horvath Practice Problems 26

Horvath Practice Problems 26 - 300 K. What is the...

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Catalysts The Arrhenious activation energy creates a barrier for reactions to proceed. The higher the energy barrier the slower the reaction will go. We have learned that one way to speed up a reaction is to heat it. Sometimes heating is not desirable. There is an additional method for lowering the activation en- ergy barrier. One can add a catalysts. A catalyst is a species that participates in the reaction but is not consumed by the reaction. Reactants + Catylist Products + Catylist (5.3) Group Work 1. A certain reaction goes twice as fast at 1000 K than at
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Unformatted text preview: 300 K. What is the Arrhenious activation energy? 2. A certain reaction has an activation energy of 34 kJ/mol. How much faster will the reaction go at 300 K than at 100 K? 3. Reaction I has a large Arrhenious activation energy and reaction II has a small one. Both reaction I and reaction II take the same amount of time to reach completion at 298 K. Should you heat the reactions or cool the reactions if you want reaction I to go to completion before reaction II? THE ARRHENIOUS EQUATION 25...
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This document was uploaded on 11/01/2011 for the course CHM 2046 at University of Florida.

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