Chemistry enthalpy learning definitions

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Enthalpy change of formation
One mole of a substance is formed from elements in their standard states
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Enthalpy change of combustion
one mole of a substance undergoes complete combustion in oxygen with all in standard states
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Enthalpy of neutralisation
1 mole of water is formed in a reaction between an acid and an alkali under standard conditions
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Ionisation enthalpy
when each atom in one mole of gaseous atoms loses one electron to become 1 mole of gaseous 1+ ions
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Electron Affinity
Each atom in one mole of gaseous atoms gains one electron to form one mole of 1- gaseous ions.
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Enthalpy of atomisation
When one mole of gaseous atoms is produced from an element in its standard state.
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Hydration Enthalpy
One mole of gaseous ions become hydrated ( dissolved in water)
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Enthalpy of solution
One mole of an ionic solid dissolves in a large enough amount of water so that the dissolved ions are well separated and do not interact with each other.
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Bond dissociation enthalpy
Change when one mole of covalent bonds is broken in the gaseous states
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Lattice enthalpy of formation
When one mole of a solid ionic compound is formed from its constituent ions in the gas phase
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Lattice enthalpy of dissociation
When one mole of a solid ionic compound is broken up into its constituent ions in the gas phase
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Enthalpy of vaporisation
when one mole of a liquid is turned into a gas
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Enthalpy of Fusion
when one mole of a solid is turned into a liquid
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Other cards in this set

Card 2

Front

one mole of a substance undergoes complete combustion in oxygen with all in standard states

Back

Enthalpy change of combustion

Card 3

Front

1 mole of water is formed in a reaction between an acid and an alkali under standard conditions

Back

Preview of the back of card 3

Card 4

Front

when each atom in one mole of gaseous atoms loses one electron to become 1 mole of gaseous 1+ ions

Back

Preview of the back of card 4

Card 5

Front

Each atom in one mole of gaseous atoms gains one electron to form one mole of 1- gaseous ions.

Back

Preview of the back of card 5
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