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Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro

Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro. Chapter 9. Chemical Bonding I: Lewis Theory. Which of the following compounds will have the highest magnitude lattice energy value?. LiBr RbBr. All are the same. There is not enough information to compare. KBr NaBr.

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Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro

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  1. Chemistry: A Molecular Approach, 1st Edition Nivaldo J. Tro Chapter 9 Chemical Bonding I: Lewis Theory

  2. Which of the following compounds will have thehighest magnitude lattice energy value? • LiBr • RbBr • All are the same. • There is not enough information to compare. • KBr • NaBr Tro Chemistry: A Molecular Approach

  3. Which of the following compounds will have thehighest magnitude lattice energy value? • LiBr • RbBr • All are the same. • There is not enough information to compare. • KBr • NaBr Tro Chemistry: A Molecular Approach

  4. Calculate the percent ionic character of a diatomic molecule with a bond length of 145 pm that has a dipole moment of 5.2 D. • 52 % • 45 % • 75 % • 70 % • 85 % Tro Chemistry: A Molecular Approach

  5. Calculate the percent ionic character of a diatomic molecule with a bond length of 145 pm that has a dipole moment of 5.2 D. • 52 % • 45 % • 75 % • 70 % • 85 % Tro Chemistry: A Molecular Approach

  6. Which of the following sets gives the correct formal charges for the elements in the Lewis structure below? S: –2 C: –4 N: –3 S: +6 C: +4 N: +5 S: –2 C: –4 N: –3 S: +1 C: 0 N: –1 S: 0 C: 0 N: –1 Tro Chemistry: A Molecular Approach

  7. Which of the following sets gives the correct formal charges for the elements in the Lewis structure below? S: –2 C: –4 N: –3 S: +6 C: +4 N: +5 S: –2 C: –4 N: –3 S: +1 C: 0 N: –1 S: 0 C: 0 N: –1 Tro Chemistry: A Molecular Approach

  8. Using average bond energies, calculate ΔHrxn for the combustion of acetylene. • +1359 kJ • –1359 kJ • +7408 kJ • –7408 kJ • –510 kJ Tro Chemistry: A Molecular Approach

  9. Using average bond energies, calculate ΔHrxn for the combustion of acetylene. • +1359 kJ • –1359 kJ • +7408 kJ • –7408 kJ • –510 kJ Tro Chemistry: A Molecular Approach

  10. Rank the following in order of increasing bond polarity: H─F H─Br F─F Na─Cl • H─F < H─Br < F─F< Na─Cl • F─F < H─F < H─Br< Na─Cl • H─Br < H─F < F─F< Na─Cl • F─F < H─Br < H─F< Na─Cl • Na─Cl < H─F < H─Br< F─F Tro Chemistry: A Molecular Approach

  11. Rank the following in order of increasing bond polarity: H─F H─Br F─F Na─Cl • H─F < H─Br < F─F< Na─Cl • F─F < H─F < H─Br< Na─Cl • H─Br < H─F < F─F< Na─Cl • F─F < H─Br < H─F< Na─Cl • Na─Cl < H─F < H─Br< F─F Tro Chemistry: A Molecular Approach

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