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Born-Haber Cycle (Lattice Energy)

Visual energy level diagram for Born-Haber thermodynamic cycles. Explore 4 ionic compounds (NaCl, KBr, MgO, CaF₂) with verified thermodynamic data for each step: sublimation, ionization energy, bond dissociation, electron affinity, and lattice energy. Apply Hess's law to calculate lattice energy.

BORN-HABER CYCLE

Series of energy steps to calculate the lattice energy of an ionic solid.

CORE FORMULAS

Hess's Law

AP EXAM CONNECTION

Unit: Unit 2: Molecular Properties
Learning Objective: SAP-3.A

COMMON MISCONCEPTIONS

  • Thinking lattice energy is enthalpy of formation.

KEY TAKEAWAYS

  • Lattice energy depends on Coulombic attraction.

DEEP DIVE: RELATED CONCEPTS