How do catalysts work?

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  • Created by: J.E.C.
  • Created on: 13-04-14 14:58
Bond breaking is an ___ process?
Endothermic
1 of 5
Catalysts speed up reactions by providing...?
An alternative reaction pathway for the breaking and remaking of bonds that has a lower activation enthalpy.
2 of 5
Homogeneous catalysts usually work by forming an ___ with the reactants, which then breaks down to give the ___ and ___ the catalyst?
Intermediate, product, reform
3 of 5
In the stratosphere, ozone molecules are broken down to give oxygen molecules, the reaction is catalysed by ___ ___ which form an intermediate, __, which then reacts with an ___ ___ to form ___ ___ and regenerate the ___ ___?
Chlorine atoms, ClO, oxygen atom, oxygen molecules, Cl atom
4 of 5
Homogeneous reactions are more ___ & ___, one example is the production of ethanoic acid from ___?
Specific, controllable, methanol
5 of 5

Other cards in this set

Card 2

Front

Catalysts speed up reactions by providing...?

Back

An alternative reaction pathway for the breaking and remaking of bonds that has a lower activation enthalpy.

Card 3

Front

Homogeneous catalysts usually work by forming an ___ with the reactants, which then breaks down to give the ___ and ___ the catalyst?

Back

Preview of the front of card 3

Card 4

Front

In the stratosphere, ozone molecules are broken down to give oxygen molecules, the reaction is catalysed by ___ ___ which form an intermediate, __, which then reacts with an ___ ___ to form ___ ___ and regenerate the ___ ___?

Back

Preview of the front of card 4

Card 5

Front

Homogeneous reactions are more ___ & ___, one example is the production of ethanoic acid from ___?

Back

Preview of the front of card 5

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