Term
| Standard enthalpy change of REACTION |
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Definition
| The enthalpy change when substances react under standard conditions in quantities given by the equation for the reaction |
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Term
| Standard enthalpy change of COMBUSTION |
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Definition
| The enthalpy change when 1 mole of a substance if burned completely in oxygen under standard conditions |
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Term
| Standard enthalpy change of NEUTRALISATION |
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Definition
| The enthalpy change when an acid and an alkali react together under standard conditions to give 1 mole of water |
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Term
| Standard enthalpy change of FORMATION |
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Definition
| The enthalpy change when 1 mole of a substance is formed from its elements under standard conditions |
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Term
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Definition
| The enthalpy change when 1 mole of bonds is broken in a compound in it's gaseous state in standard conditions |
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Term
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Definition
| The energy required to break one bond between two atoms in a compound in it's gaseous state in standard conditions |
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Term
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Definition
- 298K
- 1 atm
- 1 moldm-3 for solutions substances
- present in standard states
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Term
| Standard enthalpy change of LATTICE |
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Definition
| The enthalpy change when 1 mole of a compound forms from free gaseous ions |
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Term
| Standard enthalpy change of ATOMISATION |
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Definition
| The enthalpy change when 1 mole of gaseous atoms is formed from the element under standard conditions |
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Term
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Definition
| The energy required to remove one electron from each atom in 1 mole of gaseous atoms forming 1 mole of gaseous ions with a single postive charge |
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Term
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Definition
| The energy required to add one electron to each atom in 1 mole of gaseous atoms to form one mole of gaseous ions with a single negative charge (first is exo, second endo) |
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