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NEN + H-H エーチ H-H →H-N-H H H-N-H H

NEN + H-H エーチ H-H →H-N-H H H-N-H H

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter8: Covalent Bonding
Section: Chapter Questions
Problem 79A
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1. Energy is released/required to break bonds and released /required  when new bonds are formed.

 

2. Given the chart of bond energies, calculate the enthalpy change for the reaction below.

Energy is required to break bonds and released when new bonds are formed.
Transcribed Image Text:Energy is required to break bonds and released when new bonds are formed.
H-H H-CI H-F N-H N-O O-H 0-0 F-F 436 kJ/mol 431 kJ/mol 567 kJ/mol 391 kJ/mol 201 kJ/mol 463 kJ/mol 146 kJ/mol 155 kJ/mol NEN Average Bond Energies (kJ/mol) 413 kJ/mol 348 kJ/mol 293 kJ/mol 358 kJ/mol 485 kJ/mol 328 kJ/mol C-H C-C C-S CI-CI 259 kJ/mol 242 kJ/mol + H-H H-H H-H C=C C=C C=O 0-0 C=0 C=N N=N N=N C=N 614 kJ/mol 839 kJ/mol 799 kJ/mol 495 kJ/mol 1072 kJ/mol 615 kJ/mol 418 kJ/mol 941 kJ/mol 891 kJ/mol →H-N-H H H-N-H 1 H
Transcribed Image Text:H-H H-CI H-F N-H N-O O-H 0-0 F-F 436 kJ/mol 431 kJ/mol 567 kJ/mol 391 kJ/mol 201 kJ/mol 463 kJ/mol 146 kJ/mol 155 kJ/mol NEN Average Bond Energies (kJ/mol) 413 kJ/mol 348 kJ/mol 293 kJ/mol 358 kJ/mol 485 kJ/mol 328 kJ/mol C-H C-C C-S CI-CI 259 kJ/mol 242 kJ/mol + H-H H-H H-H C=C C=C C=O 0-0 C=0 C=N N=N N=N C=N 614 kJ/mol 839 kJ/mol 799 kJ/mol 495 kJ/mol 1072 kJ/mol 615 kJ/mol 418 kJ/mol 941 kJ/mol 891 kJ/mol →H-N-H H H-N-H 1 H
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