AS Chemistry

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DEFINE: Homolytic Fission
When one electron goes to each atom during the breaking of a covalent bond.
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DEFINE: Structural Isomers
Isomers that have the same MOLECULAR formula but different STRUCTURALl formula
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DEFINE: Stereoisomers
Isomers that have the same MOLECULAR formula but different ARRANGEMENT in space.
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DEFINE: Radical
A species with an unpaired electron.
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State two features of some molecules that enable them to show E/Z isomerism.
1) C=C double bond 2) Each carbon in the double bond is bonded to two different atoms/groups.
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Name the stages that allow two molecules to react in a catalytic converter.
1) Adsorption: molecules absorbed unto surface. 2)Reaction: The bonds weaken & reaction occurs. 3) Desorption
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What happens within a CO2 molecule when it absorbs infrared radiation.
C=O bond vibrates more
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Give two examples of Carbon capture and Storage.
1) Its injected deep into the ocean/sea. 2)Stored in old gas fields.
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State two benefits (other than cost) of using enzymes to catalyse reactions
1)Reduces CO2 emission by burning less FF for energy. 2)Greater Etom Economy
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Card 2

Front

Isomers that have the same MOLECULAR formula but different STRUCTURALl formula

Back

DEFINE: Structural Isomers

Card 3

Front

Isomers that have the same MOLECULAR formula but different ARRANGEMENT in space.

Back

Preview of the back of card 3

Card 4

Front

A species with an unpaired electron.

Back

Preview of the back of card 4

Card 5

Front

1) C=C double bond 2) Each carbon in the double bond is bonded to two different atoms/groups.

Back

Preview of the back of card 5
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