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2 cards from this section. Quick, good the night before a test.
Define lattice enthalpy.
Think about the energy involved in producing gaseous ions.
What type of reaction releases lattice energy?
Consider energy released during bond formation.
What does lattice enthalpy represent?
Think about the process involved in ionic interactions.
True or False: Lattice energy can be directly measured.
Consider how we derive values in thermodynamics.
Using the data provided for NaCl, the sublimation energy is 108.4 kJ/mol, ionization energy is 496 kJ/mol, bond dissociation energy is 242 kJ/mol, and electron affinity is –348.6 kJ/mol. Calculate the lattice enthalpy.
Follow the Born-Haber cycle method.
Compare the lattice energies of NaCl and CaCl2 and discuss how the values affect their solubility.
Consider the principles of ionic bonding and solvation energies.
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