5.5.d - Lattice Enthalpy
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Practice Questions
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Define lattice enthalpy.
💡 Hint: Think about the energy involved in producing gaseous ions.
What type of reaction releases lattice energy?
💡 Hint: Consider energy released during bond formation.
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Interactive Quizzes
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What does lattice enthalpy represent?
💡 Hint: Think about the process involved in ionic interactions.
True or False: Lattice energy can be directly measured.
💡 Hint: Consider how we derive values in thermodynamics.
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Challenge Problems
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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.
💡 Hint: Follow the Born-Haber cycle method.
Compare the lattice energies of NaCl and CaCl2 and discuss how the values affect their solubility.
💡 Hint: Consider the principles of ionic bonding and solvation energies.
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