H-N H-O H-S H-P H-F H-Cl H-Br H-I C-H C-C C=C C=C C-N C=N C=N C-O C=0 C=0 C-P C-S C=S C-F C-Cl C-Br C-I 393 460 368 326 568.2 431.9 366.1 298.3 414 347 620 812 276 615 891 351 745 1070 263 255 477 453 339 276 216 *Bond enthalpies shown in red are for diatomic molecules. "The C=O bond enthalpy in CO₂ is 799 kJ/mol. N=N N=N N-O a) Give your answer here work. N=0 N-F N-CI N-Br N-I 0-0 0=0 O-P O=S 0-F 0-CI 0-Br 0-I P-P P=P S-S S=S F-F CI-CI CI-F Br-Br I-I Use bond enthalpies to calculate the enthalpy of the reaction given below, in kJ per mole N₂O4. 2N₂O4 (g) + N₂H4 (8) →6NO (g) + 2H₂O (g) Be sure to draw the best Lewis structure. You must draw Lewis structures, show detailed work, and give your answer with the correct units and significant figures. 418 941.4 176 607 272 200 243 159 142 498.7 502 469 190 203 234 234 197 489 268 352 156.9 242.7 193 192.5 151.0 b) Is the reaction exothermic or endothermic? , and you will be asked to upload your
H-N H-O H-S H-P H-F H-Cl H-Br H-I C-H C-C C=C C=C C-N C=N C=N C-O C=0 C=0 C-P C-S C=S C-F C-Cl C-Br C-I 393 460 368 326 568.2 431.9 366.1 298.3 414 347 620 812 276 615 891 351 745 1070 263 255 477 453 339 276 216 *Bond enthalpies shown in red are for diatomic molecules. "The C=O bond enthalpy in CO₂ is 799 kJ/mol. N=N N=N N-O a) Give your answer here work. N=0 N-F N-CI N-Br N-I 0-0 0=0 O-P O=S 0-F 0-CI 0-Br 0-I P-P P=P S-S S=S F-F CI-CI CI-F Br-Br I-I Use bond enthalpies to calculate the enthalpy of the reaction given below, in kJ per mole N₂O4. 2N₂O4 (g) + N₂H4 (8) →6NO (g) + 2H₂O (g) Be sure to draw the best Lewis structure. You must draw Lewis structures, show detailed work, and give your answer with the correct units and significant figures. 418 941.4 176 607 272 200 243 159 142 498.7 502 469 190 203 234 234 197 489 268 352 156.9 242.7 193 192.5 151.0 b) Is the reaction exothermic or endothermic? , and you will be asked to upload your
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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I need help calculating the enthalpy of this reaction please.
Transcribed Image Text:TABLE 10.4
Bond
H-H*
H-N
H-O
H-S
H-P
H-F
H-Cl
H-Br
H-I
C-H
C-C
C=C
C=C
C-N
C=N
C=N
C-O
C=0
C=0
C-P
C-S
C=S
C-F
C-Cl
C-Br
C-I
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distribution without the prior written consent of McGraw-Hill Education.
Bond Enthalpies
Bond enthalpy (kJ/mol)
436.4
393
460
368
326
568.2
431.9
366.1
298.3
414
347
620
812
276
615
891
351
745
1070
263
255
477
453
339
276
216
*Bond enthalpies shown in red are for diatomic molecules.
The C=O bond enthalpy in CO₂ is 799 kJ/mol.
work.
a) Give your answer here
Bond
N-N
N=N
N=N
N-O
N=O
N-F
N-Cl
N-Br
N-I
0-0
0=0
O-P
O=S
O-F
O-CI
0-Br
0-1
P-P
P=P
S-S
S=S
F-F
CI-CI
Cl-F
Br-Br
I-I
Bond enthalpy (kJ/mol)
193
418
941.4
176
607
272
Use bond enthalpies to calculate the enthalpy of the reaction given below, in kJ per mole
N₂O4.
2N₂O4 (g) + N₂H4 (8) → 6NO (g) + 2H₂O (g)
Be sure to draw the best Lewis structure.
You must draw Lewis structures, show detailed work, and give your answer with the correct
units and significant figures.
200
243
159
142
498.7
502
469
190
203
234
234
197
489
268
352
b) Is the reaction exothermic or endothermic?
156.9
242.7
193
192.5
151.0
and you will be asked to upload your
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