7. Calculate the enthalpy change following the combustion of 1 mol of acetone using the bond energies of competent atoms: C3H60 (g) + 4O2 (g) ЗСО (g) + 3H2О (g) 0=0 O=C=O H H- Acetone Охуgen Carbon dioxide Water Bond Bond energy C-C 347 kJ/mol С-Н 413 kJ/mol 745 kJ/mol (799 kJ/mol in CO2) 498 kJ/mol C=O O=0 O-H 467 kJ/mol A. -1687 kJ/mol B. 1687 kJ/mol C. -2926 kJ/mol D. 2926 kJ/mol E. -5909 kJ/mol
7. Calculate the enthalpy change following the combustion of 1 mol of acetone using the bond energies of competent atoms: C3H60 (g) + 4O2 (g) ЗСО (g) + 3H2О (g) 0=0 O=C=O H H- Acetone Охуgen Carbon dioxide Water Bond Bond energy C-C 347 kJ/mol С-Н 413 kJ/mol 745 kJ/mol (799 kJ/mol in CO2) 498 kJ/mol C=O O=0 O-H 467 kJ/mol A. -1687 kJ/mol B. 1687 kJ/mol C. -2926 kJ/mol D. 2926 kJ/mol E. -5909 kJ/mol
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Transcribed Image Text:7. Calculate the enthalpy change following the combustion of 1 mol of acetone using the
bond energies of competent atoms:
СзН6О (g) + 4О2 (g) —> 3СО2 (g) + 3H20 (g)
H
0=0
O=C=0
Acetone
Охудen
Carbon dioxide
Water
Bond
Bond energy
C-C
347 kJ/mol
С-Н
413 kJ/mol
C=0
745 kJ/mol (799 kJ/mol in CO2)
O=0
498 kJ/mol
O-H
467 kJ/mol
A. -1687 kJ/mol
B. 1687 kJ/mol
C. -2926 kJ/mol
D. 2926 kJ/mol
E. -5909 kJ/mol
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