6. Using bond enthalpies (from your reference page), how much energy is required to create one mole of formaldehyde, CH₂O? a. 1184 kJ b. 876 kJ C. d. 1898 kJ 1625 kJ
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
Pls help ASAP. Pls refer to the reference page for the question
![Reference Page
Average Bond Enthalpies (kJ/mol)
Single Bonds
C-H 413
c-c 348
C-N 293
C-O 358
C-F 485
C-Cl 328
C-Br 276
C-I 240
C-S 259
Si-H 323
Si-Si 226
Si-C 301
Si-O 368
Multiple Bonds
C=C 614
C=C 839
C-N 615
C=N 891
C-O 799
C=0 1072
N-H 391
N-N 163
201
N-F 272
N-CI 200
N-Br 243
O-N
H-H 436
H-F 567
H-Cl 431
H-Br 366
H-I 299
N=N
N=N
418
941
O-H 463
146
190
O-F
O-CI 203
0-1 234
010
S-H
339
S-F 327
S-Cl 253
S-Br 218
S-S 266
0₂
O-S
S=S
495
523
418
F-F
6
I-Cl
I-Br
F
18.998
17
CI
I-I
O
15.999
N
14.007
15
5
B
CI-F 253
CI-CI 242
155
Br-F 237
Br-Cl 218
Br-Br 193
208
175
151
Li Be
H
1.008
3
1102118
9,012
12
d
30.974
35
21
258
2
79.904
23
V
50.942
23
2
I
131.293
At Rn
126.904
85
118.710
8
112,414
107.868
106.42
91.224 92.906 95.95 [97]
73
87.62
[294]
[210]
117
Ts
[293]
[289] [289] [293]
[281] [281] [285]
n
[262] [267]
Fr Ra
132.905
87
[223]
09
58
57
*Lanthanide series
**Actinide series
U
[257] [258]
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