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chem: Clarify lattice enthalpy must be positive

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2021-10-17 20:59:54 -04:00
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@@ -167,7 +167,7 @@ Second ionisation energy may increase the peak enthalpy after it has lowered fro
### Lattice enthalpy
The lattice enthalpy of an ionic compound is the energy released when 1 mol of an ionic solid is formed from gaseous ions.
The lattice enthalpy of an ionic compound is the **magnitude** of the energy released when 1 mol of an ionic solid is formed from gaseous ions.
- It decreases as ionic radius increases due to greater distance and charge separation
- It increases as difference in charge increases because the greater charges are more strongly attracted