Practice Lattice Enthalpy (4.2.1) - CHEMICAL BONDING AND MOLECULAR STRUCTURE

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9 questions

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6 sample questions

Question 1.
What is lattice enthalpy?
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Think about the energy necessary to break bonds.
Question 2.
Give an example of a compound and its lattice enthalpy.
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Consider common table salt.
3Question 3.
What does lattice enthalpy measure?
- Energy to form bonds
- Energy to separate ions
- Energy in chemical reactions
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Think about energy use in breaking apart solids.
4Question 4.
True or False: The lattice enthalpy of NaCl is 500 kJ/mol.
- True
- False
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Recall the specific value mentioned earlier.
Question 5.
If the lattice enthalpy of LiBr is determined to be 750 kJ/mol, how would the lattice enthalpy change if Li+ were replaced by K+?
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Question 6.
Using the Born-Haber cycle, describe how you could calculate the lattice enthalpy for CaCl2.
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Remember to apply Hess's Law to sum energy changes across the cycle.

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