Enthalpy change of hydration
What Enthalpy change of hydration means in Chemistry A-Level, as defined for OCR.
Definitions of Enthalpy change of hydration
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Reference: OCR
The enthalpy change when 1 mol of gaseous ions dissolves in water to form a dilute aqueous solution of ions.
Applies to one mole of gaseous ions and must be kept distinct from the dissolving step.
The exothermic enthalpy change when the separated gaseous ions are hydrated.
Topics that use Enthalpy change of hydration
- Lattice enthalpy (OCR A-Level)
Related terms
- Born–Haber cycle
- Effect of ionic charge and radius on lattice enthalpy
- Electron affinity
- Enthalpy change of solution
- Enthalpy of atomisation
- enthalpy of formation
- Enthalpy sign and exothermic formation
- entropy
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