Chemistry Keywords

The same structural formula but with a different arrangement of atoms in space
stereoisomer
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An activity which has no net carbon emissions to the atmosphere
carbon neutral
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Purifying a liquid by a process of heating and cooling
distillation
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Continuous boiling and condensing of a reaction mixture to ensure the creation takes place fully without the contents of the flask boiling dry
reflux
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The rates of the forward and backward reactions are the same and concentration remains constant
dynamic equilibrium
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If a factor affecting the position of the equilibrium is altered, the position of the equilibrium will change to oppose the effect of the change
le chateliers principle
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Provides an alternative route with lower activation energy
catalyst
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Minimum amount of energy that the particles must have to overcome the energy barrier
activation energy
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Breaking long chain alkanes into smaller, more useful hydrocarbons
cracking
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A group of hydrocarbons with similar boiling points
fraction
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A solution with a known concentration
standard solution
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The ability of an atom to attract the bonding pair of electrons in a covalent bond
electronegativity
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A covalent bond where a difference in electronegativity has caused a shift in electron density in the bond
polar bond
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A difference in charge between 2 atoms caused by a shift in the electron density in a bond
dipole
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The breaking of a covalent bond with one of the bonded electrons going to an atom forming 2 radicals
homolytic fission
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Breaking bonds using water
hydrolysis
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The overall enthalpy change is independent of the route the reaction takes
hess law
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Average enthalpy change for breaking one mole of a covalent bond in a range of different compounds in the gas phase
mean bond enthalpy
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The enthalpy change when one mole of a substance undergoes complete combustion under standard conditions with all substances being in their standard states
standard enthalpy of combustion
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The enthalpy change when one mole of a substance is formed from its elements under stand conditions with all substances being in their standard states
standard enthalpy of formation
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The actual number of atoms of each element in a molecule
molecular formula
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The simplest whole number ratio of atoms of each element in a compound
empirical formula
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The same functional group but different arrangement of the carbon skeleton
chain isomers
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The same skeleton and atoms or groups of atoms but are attached to different carbon atoms
position isomers
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Same molecular formula but a different functional group
functional group isomer
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A group of similar compounds with the same general formula
homologous series
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The same molecular formula but a different structural formula
structural isomerism
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Other cards in this set

Card 2

Front

An activity which has no net carbon emissions to the atmosphere

Back

carbon neutral

Card 3

Front

Purifying a liquid by a process of heating and cooling

Back

Preview of the front of card 3

Card 4

Front

Continuous boiling and condensing of a reaction mixture to ensure the creation takes place fully without the contents of the flask boiling dry

Back

Preview of the front of card 4

Card 5

Front

The rates of the forward and backward reactions are the same and concentration remains constant

Back

Preview of the front of card 5
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