The lattice energy of sodium chloride can be calculated using the following enthalpy changes: Enthalpy change
Question:
The lattice energy of sodium chloride can be calculated using the following enthalpy changes:
■ Enthalpy change of formation of sodium chloride
■ Enthalpy changes of atomisation of sodium and chlorine
■ 1st ionisation energy of sodium
■ 1st electron affinity of chlorine.
a. State the meaning of the terms:
i. First ionisation energy
ii. Enthalpy change of atomisation.
b. Draw and label a Born–Haber cycle to calculate the lattice energy of sodium chloride.
c. Explain why the lattice energy of sodium chloride has a value that is lower than the lattice energy of lithium chloride.
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a i The first ionisation energy is the energy required to remove the outermost electron from ...View the full answer
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Related Book For 
Cambridge International AS And A Level Chemistry Coursebook
ISBN: 9781316637739
2nd Edition
Authors: Lawrie Ryan, Roger Norris
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