Bond Energies and Heat of Reaction Use the given bond energy values to estimate AH for the following gas-phase reaction. Br-Br H-Br Br (Simple energy units required for the answer.)
Types of Chemical Bonds
The attractive force which has the ability of holding various constituent elements like atoms, ions, molecules, etc. together in different chemical species is termed as a chemical bond. Chemical compounds are dependent on the strength of chemical bonds between its constituents. Stronger the chemical bond, more will be the stability in the chemical compounds. Hence, it can be said that bonding defines the stability of chemical compounds.
Polarizability In Organic Chemistry
Polarizability refers to the ability of an atom/molecule to distort the electron cloud of neighboring species towards itself and the process of distortion of electron cloud is known as polarization.
Coordinate Covalent Bonds
A coordinate covalent bond is also known as a dative bond, which is a type of covalent bond. It is formed between two atoms, where the two electrons required to form the bond come from the same atom resulting in a semi-polar bond. The study of coordinate covalent bond or dative bond is important to know about the special type of bonding that leads to different properties. Since covalent compounds are non-polar whereas coordinate bonds results always in polar compounds due to charge separation.
![Bond Energies and Heat of Reaction
Use the given bond energy values to estimate AH for the following gas-phase reaction.
H.
Br-Br
H-Br
H
H.
H.
H.
H.
H-
-C-H
(Simple energy units required for the answer.)
33 kJ
D-values in kJ/mol
DH-Br = 363
DH-H = 432
DH-C = 413
DH-O = 467
Dc=c = 614 Dcec = 839
DH-N = 391
Dc-c = 347
Dc-N = 305
DcEN = 615
Dc-o = 358
Dc-o = 745 Dc=o (co,) = 799 Dc=o=1072
DCEN = 891
Dc-Br = 276 DN-N = 160.
DN=N = 418
DNEN = 941
Do-o = 146
Do-o = 495
Der-Br = 193
DN-0 = 201
DN=0 = 607
DH-CI = 427
Copyright: Department of Chemistry, Simon Fraser University - © SFU Chemistry 2000-2021
Dc-ci = 339
Da-cı = 239
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