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The lattice energy of CsF is -744 kJ/mol, whereas that of

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 45E Chapter 9

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 45E

Problem 45E

The lattice energy of CsF is -744 kJ/mol, whereas that of BaO is -3029 kJ/mol. Explain this large difference in lattice energy.

Step-by-Step Solution:

Solution 45E Step 1 of 1 Cesium (Cs) belongs to IA group, because of its low electronegativity it can lose the only electron on its outer shell, thus generating a cation having a single, positive charge: Cs + Fluorine (F) belongs to VII A group, because of its high electronegativity it can gain the only electron it needs to complete its outer shell, thus generating an anion having a single, negative - charge: F Barium (Ba) belongs to II A group, because of its low electronegativity it can lose the two 2+ electron son its outer shell, thus generating a cation having a double positive charge: Ba Oxygen (O) belongs to VI A group, because of its high electronegativity it can gain the two electron it needs to complete its outer shell, thus generating an anion having a double, negative charge: O 2- According to Coulomb’s law, lattice energy is proportional to the product of charges In CsF we have (1 positive charge) x (1 negative charge) = 1 total charge In BaO we have (2 positive charges) x (2 negative charges)= 4 total charges The ratio between BaO’s total charges to CsF’s total charge is 4 to 1 Thus we can expect BaO’s lattice energy to be at least 4 times higher respect CsF lattice Energy

Step 2 of 1

Chapter 9, Problem 45E is Solved
Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

The full step-by-step solution to problem: 45E from chapter: 9 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. Since the solution to 45E from 9 chapter was answered, more than 728 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. The answer to “The lattice energy of CsF is -744 kJ/mol, whereas that of BaO is -3029 kJ/mol. Explain this large difference in lattice energy.” is broken down into a number of easy to follow steps, and 22 words. This full solution covers the following key subjects: Energy, mol, lattice, explain, bao. This expansive textbook survival guide covers 82 chapters, and 9454 solutions.

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The lattice energy of CsF is -744 kJ/mol, whereas that of