Chemistry flash cards

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  • Created by: Fi Wil
  • Created on: 27-05-13 11:09
E/Z Isomer
A type of stereoisomerism, with a group attached to each Carbon=carbon may be arranged differently in space due to the restriction of the C=C double bond.
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Isomer
Compound with the same structural formula, but with a different arrangement of atoms in space
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Homologous
A member of a organic series, with the same functional group but with each successive member differing by CH2
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Electrophile
An atom that is attracted to an electron rich atom or centre that accepts an electron pair to form a new covalent bond
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Nucleophile
An atom that is attracted to an electron deffecient atom or centre that donates a pair of electrons to form a new covalent bond
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Curly Arrow
A symbol used to show the movement of an electron pair in a mechanism, to show the making or breaking of a covalent bond
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Endothermic reaction
When the enthalpy of the products is greater than the enthalpy of the reactants resulting in heat being taken in from the surroundings
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Exothermic reaction
When the enthalpy of the products is smaller than the enthalpy of the reactants resulting in heat loss to the surroundings
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Standard conditions
Pressure at 100kpa and temperature at 298 K
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Standard enthalpy of a reaction
is the enthalpy change that accompanies a reaction in molar quantities that is expressed in a chemical equation under standard conditions. The reactants and products are under standard conditions
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Standard enthalpy of combustion
is the enthalpy change when one mol of a substance completely reacts with oxygen under standard conditions. All products and reactants are under standard conditions
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Standard enthalpy of formation
enthalpy change that takes place when one mol of a compound is formed from its constituent elements under standard conditions
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Average bond enthalpy
Is the average enthalpy that takes place when breaking by homolytic fission 1 mol of a given type of bond in the molecules in a gaseous gas
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Other cards in this set

Card 2

Front

Isomer

Back

Compound with the same structural formula, but with a different arrangement of atoms in space

Card 3

Front

Homologous

Back

Preview of the front of card 3

Card 4

Front

Electrophile

Back

Preview of the front of card 4

Card 5

Front

Nucleophile

Back

Preview of the front of card 5
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