catalysis (f332 pre release)

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  • Created by: Darsy
  • Created on: 29-04-15 20:37
define a catalyst
provides an alternative pathway at lower activation enthalpy
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what is a homogeneous catalyst?
where the catalyst and reactant are both in the same physical states
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what is a heterogeneous catalyst?
where the catalyst and reactant are in different physical states
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name the 4 key steps for heterogeneous catalysis
1. adsorption of reactants onto the surfaces of the catalyst 2. bonds between the reactants weaken and break 3. new bonds form beween the newly formed products 4. product diffuses away
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what is hydrogenation?
a chemical reaction of the addition of hydrogen to simple substances (elements) or chemical compounds
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describe isotactic
where all the substituted carbons have the same stereochemical configuration
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define syndiotactic
where all the substituted carbons have alternating stereochemical configurations
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define atactic
where all the stereochemistry of carbons along the chain is random
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Card 2

Front

what is a homogeneous catalyst?

Back

where the catalyst and reactant are both in the same physical states

Card 3

Front

what is a heterogeneous catalyst?

Back

Preview of the front of card 3

Card 4

Front

name the 4 key steps for heterogeneous catalysis

Back

Preview of the front of card 4

Card 5

Front

what is hydrogenation?

Back

Preview of the front of card 5
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