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Sulfur tetrafluoride (SF4) reacts slowly with O2 to form

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 110IE Chapter 9

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 110IE

Sulfur tetrafluoride (SF4) reacts slowly with O2 to form sulfur tetrafluoride monoxide (OSF4) according to the following unbalanced reaction:

SF4(g) + O2(g)→OSF4(g)

The O atom and the four F atoms in OSF4 are bonded to a central S atom. (a) Balance the equation., (b) Write a Lewis structure of OSF4 in which the formal charges of all atoms are zero., (c) Use average bond enthalpies (Table) to estimate the enthalpy of the reaction. Is it endothermic or exothermic?

Table Average Bond Enthalpies(kJ/mol)

Single Bonds

C—H

413

N—H

391

463

O—H

F—F

155

C—C

348

N—N

163

O—O

146

 

 

C—N

293

N—O

201

O—F

190

Cl—F

253

C—O

358

N—F

272

O—Cl

203

Cl—Cl

242

C—F

485

N—Cl

200

O—l

234

 

 

C—Cl

328

N—Br

243

 

 

Br—F

237

C—Br

276

 

 

S—H

339

Br—Cl

218

C—l

240

H—H

436

S—F

327

Br—Br

193

C—S

259

H—F

567

S—Cl

253

 

 

 

 

H—Cl

431

S—Br

218

I—Cl

208

Si—H

323

H—Br

366

S—S

Step-by-Step Solution:
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Bold & Highlighterms to be familiar with Bold ONLY=Examples & formulas Italic= Important people & terminology *=Flash Cards Chapter 2: Atoms, Molecules, and Ions Atoms First  An atom is the smallest quantity of matter that still retains the properties of matter.  An element is a substance that cannot be broken down into two or more simpler substances by any means....

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Chapter 9, Problem 110IE is Solved
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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

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Sulfur tetrafluoride (SF4) reacts slowly with O2 to form