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Solved: Construct a Born–Haber cycle for the formation of

Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus ISBN: 9780321910417 77

Solution for problem 83AE Chapter 8

Chemistry: The Central Science | 13th Edition

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Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus

Chemistry: The Central Science | 13th Edition

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Problem 83AE

Construct a Born–Haber cycle for the formation of the hypothetical compound NaCl2, where the sodium ion has a 2+ charge (the second ionization energy for sodium is given in Table).

Table Successive Values of Ionization Energies, I, for the Elements Sodium through Argon (kJ/mol)

Element

I1

I2

I3

I4

I5

I6

I7

Na

496

4562

(inner-shell electrons)

Mg

738

1451

7733

Al

578

1817

2745

11,577

Si

786

1577

3232

4356

16,091

P

1012

1907

2914

4964

6274

21,267

S

1000

2252

3357

4556

7004

8496

27,107

Cl

1251

2298

3822

5159

6542

9362

11,018

Ar

1521

2666

3931

5771

7238

8781

11,995

(a) How large would the lattice energy need to be for the formation of NaCl2 to be exothermic?

(b) If we were to estimate the lattice energy of NaCl2 to be roughly equal to that of MgCl2 (2326 kJ/mol from Table), what value would you obtain for the standard enthalpy of formation, ΔHf°, of NaCl2?

Table Lattice Energies for Some Ionic Compounds

Compound

Lattice Energy (kJ/mol)

Step-by-Step Solution:
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✦ Organic chemistry is literally defined as the study of compounds containing carbon atoms... But it is actually the study of electrons, not atoms. • Must recognize that reactions occur as a result of the motion of electrons. Vitalism: The belief that compounds obtained from living sources possessed a special "vital force" that inorganic compounds lacked. Stipulated that it should be impossible to convert inorganic compounds into organic compounds without the introduction of an outside vital force. • Vitalism was disproved: In 1828 when German chemist Friedrich Wohler demonstrated the conversion of ammonium cyanate (inorganic salt) into urea (organic compound) ¹ Organic compounds became

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Chapter 8, Problem 83AE is Solved
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Textbook: Chemistry: The Central Science
Edition: 13
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus
ISBN: 9780321910417

The answer to “Construct a Born–Haber cycle for the formation of the hypothetical compound NaCl2, where the sodium ion has a 2+ charge (the second ionization energy for sodium is given in Table).Table Successive Values of Ionization Energies, I, for the Elements Sodium through Argon (kJ/mol)ElementI1I2I3I4I5I6I7Na4964562(inner-shell electrons)Mg73814517733Al5781817274511,577Si78615773232435616,091P1012190729144964627421,267S10002252335745567004849627,107Cl12512298382251596542936211,018Ar15212666393157717238878111,995(a) How large would the lattice energy need to be for the formation of NaCl2 to be exothermic?(b) If we were to estimate the lattice energy of NaCl2 to be roughly equal to that of MgCl2 (2326 kJ/mol from Table), what value would you obtain for the standard enthalpy of formation, ?Hf°, of NaCl2?Table Lattice Energies for Some Ionic CompoundsCompoundLattice Energy (kJ/mol)CompoundLattice Energy (kJ/mol)LiF1030MgCl22326LiCl834SrCl22127LiI730NaF910MgO3795NaCl788CaO3414NaBr732SrO3217NaI682KF808ScN7547KCl701KBr671CsCl657CsI600” is broken down into a number of easy to follow steps, and 107 words. Since the solution to 83AE from 8 chapter was answered, more than 273 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 305 chapters, and 6352 solutions. This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 13. Chemistry: The Central Science was written by and is associated to the ISBN: 9780321910417. The full step-by-step solution to problem: 83AE from chapter: 8 was answered by , our top Chemistry solution expert on 09/04/17, 09:30PM.

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