Ch.9 - Bonding & Molecular StructureWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Bond Energy

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Sections
Chemical Bonds
Lattice Energy
Lattice Energy Application
Born Haber Cycle
Dipole Moment
Lewis Dot Structure
Octet Rule
Formal Charge
Resonance Structures
Additional Practice
Bond Energy

Solution: The NOx waste stream from automobile exhaust includes species such as NO and NO2. Catalysts that convert these species to N2 are desirable to reduce air pollution.Using the table below, look up the en

Problem

The NOx waste stream from automobile exhaust includes species such as NO and NO2. Catalysts that convert these species to N2 are desirable to reduce air pollution.

Using the table below, look up the energies of the bonds in these molecules. In what region of the electromagnetic spectrum are these energies?

Average Bond Enthalpies (kJ/mol)
Single Bonds
C-H 413 N-H 391 O-H 463 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-I 234
C-Cl 328 N-Br 243 Br-F 237
C-Br 276 S-H 339 Br-Cl 218
C-I 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 266 I-Br 175
Si-Si 226 H-I 299 I-I 151
Si-C 301
Si-O 368
Si-Cl 464
Multiple bonds
C=C 614 N=N 418 O=O 495
CC 839 NN 941
C=N 615 N=O 607 S=O 523
CN 891 S=S 418
C=O 799
CO 1072