Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Which of the following best explains why the combustion reactions represented in the table are exothermic?

(see attached image)

a.) The number of bonds in the reactant molecules is greater than the number of bonds in the product molecules.

b.) The number of bonds in the reactant molecules is less than the number of bonds in the product molecules.

c.) The energy required to break the bonds in the reactants is greater than the energy released in forming the bonds in the products.

d.) The energy required to break the bonds in the reactants is less than the energy released in forming the bonds in the products.

Balunced Equdia for the Combution
of One Male dl the Compound
Compound
Molar Mas
30. g/mol
H-C- C-H
-1560
Fthane
H.
HH
60. g/mol
-0-H
CHO0 + -0(0 → 300) + 4H0ny
-2000
H.
H.
Prapandl
Unknown
7-50 ) 4 CO,tp) + 4H,OXD
-2740
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Transcribed Image Text:Balunced Equdia for the Combution of One Male dl the Compound Compound Molar Mas 30. g/mol H-C- C-H -1560 Fthane H. HH 60. g/mol -0-H CHO0 + -0(0 → 300) + 4H0ny -2000 H. H. Prapandl Unknown 7-50 ) 4 CO,tp) + 4H,OXD -2740
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