Definitions: Enthalpy

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  • Created by: h98
  • Created on: 25-11-15 19:33
ionic bonds
the electrostatic force of attraction between oppositely charged ions
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ΔH formation
the enthalpy change when one mole of solic ionic compound is formed from its elements in their standard states under standard conditions
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ΔH atomisation
the enthalpy change when one mole of gaseous atom is formed from an element in its standard states
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1st ionisation energy
when one mole of e- are removed from one mole of gasous atoms to form one mole of gaseous +1 ions
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2nd ionisation energy
when one mole of e- are removed from one mole of singly positive ions (in a gaseous state)
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ΔH 1st electron affinity
the enthalpy change when one mole of gasous -1 ions are made from one mole of gaseous atoms
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ΔH 2nd electron affinity
the enthalpy change when one mole of gaseous -2 ions are formed from one mole of gaseous -1 ions
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ΔH lattice enthalpy
the enthalpy change when one mole of solid ionic compound is formed from its gaseous ions under standard conditions
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ΔH hydration
the enthalpy change when one mole of aqueous ions are formed from one mole of gaseous ions under standard conditions
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ΔH solution
the enthalpy change when one mole of solid ionic compound dissolves completely in water under standard conditions
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Card 2

Front

the enthalpy change when one mole of solic ionic compound is formed from its elements in their standard states under standard conditions

Back

ΔH formation

Card 3

Front

the enthalpy change when one mole of gaseous atom is formed from an element in its standard states

Back

Preview of the back of card 3

Card 4

Front

when one mole of e- are removed from one mole of gasous atoms to form one mole of gaseous +1 ions

Back

Preview of the back of card 4

Card 5

Front

when one mole of e- are removed from one mole of singly positive ions (in a gaseous state)

Back

Preview of the back of card 5
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