2. Born-Haber Cycles

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Last updated 6:26 AM on 5/12/25
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4 Terms

1
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Hess’s law

The total enthalpy change of a reaction is always the same, no matter which route is taken.

2
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what is working out the theoretical lattice enthalpy

doing calculations based on the purely ionic model of a lattice.

3
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What does the purely ionic model of a lattice assume?

Assumes that all the ions are spherical, and have their charge evenly districuted among them.

4
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List the order of enthalpies in the Born-Haber cycle:

Down to Up

  1. Enthalpy of formation

  2. Enthalpy of atomisation

  3. Ionisation energy (for positive ion)

  4. Down, Electron affinity of negative ion

  5. Down, Lattice enthalpy of formation of ionic compound