2 H₂O Bond Bond total bond energy for the reactants in the energy (kJ/mol) Average Bond Energies (per mole of bonds) H-H C-H C-C C=C 0-H bustion of ethene: 432 413 347 614 C-0 C=0 0=0 0-0 467 358 799* 495 146

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
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Chapter2: Alkanes And Cycloalkanes
Section: Chapter Questions
Problem 2.57P: Following are heats of combustion per mole for methane, propane, and 2,2,4-trimeth-ylpentane. Each...
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O:
0=0
0=0
O 3751 kJ/mol
O
O2512 kJ/mol
O 1522 kJ/mol
O=0.
Total Energy Transferred In (positive)
0=0
0=0
Transcribed Image Text:O: 0=0 0=0 O 3751 kJ/mol O O2512 kJ/mol O 1522 kJ/mol O=0. Total Energy Transferred In (positive) 0=0 0=0
Using the table of average bond energies, determine the total bond energy for the reactants in the combustion of ethene: C₂H4 + 3 02 --> 2 CO₂ +
2 H₂O
Average Bond Energies (per mole of bonds)
H-H C-HCC G=6|0–H
C=C
C-0
Bond energy (kJ/mol) 432 413 347 614 467
Bond
Molecular Structure
H H
C-C
HH
OO
Bond Broken
C-H
C=C
0=0
Bond Energy
(kJ/mol)
358
Number
of Bonds
Broken
C=0 0-0 0-0
799* 495
Net Energy
(kJ/mol)
146
Transcribed Image Text:Using the table of average bond energies, determine the total bond energy for the reactants in the combustion of ethene: C₂H4 + 3 02 --> 2 CO₂ + 2 H₂O Average Bond Energies (per mole of bonds) H-H C-HCC G=6|0–H C=C C-0 Bond energy (kJ/mol) 432 413 347 614 467 Bond Molecular Structure H H C-C HH OO Bond Broken C-H C=C 0=0 Bond Energy (kJ/mol) 358 Number of Bonds Broken C=0 0-0 0-0 799* 495 Net Energy (kJ/mol) 146
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