lattice dissociation enthalpy
What lattice dissociation enthalpy means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of lattice dissociation enthalpy
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Reference: AQA
The exact reverse of lattice formation enthalpy, where one mole of the solid dissociates fully into gaseous ions; it is always positive and numerically equal.
The reverse process of lattice enthalpy, a separate term and an endothermic process.
Topics that use lattice dissociation enthalpy
- Born–Haber cycles (A-level only) (AQA A-Level)
- Lattice enthalpy (OCR A-Level)
Related terms
- Born–Haber cycle
- Electron affinity
- enthalpy of formation
- Lattice enthalpy
- Covalent character
- Effect of ionic charge and radius on lattice enthalpy
- Enthalpy change of hydration
- Enthalpy change of solution
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