Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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.

Transcribed Image Text:Energy is required to break bonds and released when new bonds are formed.

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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