Calculate the heat of reaction AH for the following reaction: 2 NH3(g) N₂(g) + 3 H₂(g) You can find a table of bond energies by using the Data button on the ALEKS toolbar. Round your answer to the nearest kJ/mol. al Data 0 kJ mol + [-] Bond energies

Calculate the heat of reaction AH for the following reaction: 2 NH3(g) N₂(g) + 3 H₂(g) You can find a table of bond energies by using the Data button on the ALEKS toolbar. Round your answer to the nearest kJ/mol. al Data 0 kJ mol + [-] Bond energies

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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Concept explainers

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.

Question

100%

Round your answer to the nearest kJ/mol.
il Data
kJ
mol
Explanation
C-H
C-F
C-CI
C-Br
C-I
C-C
C=C
C=C
C-O
C=O
C=O
C-N
C=N
C=N
C-P
C-S
C=S
C-Si
413
460
350
293
211
370
602
839
385
532
1077
356
615
749
263
312
397
375
N-H
N-C
N=C
N=C
N-O
N=O
NEO
N-N
N=N
N=N
N-P
N-F
N-CI
N-Br
391
356
615
749
206
631
1020
277
418
945
209
349
334
281
S-H
S-F
S-CI
S-Br
S-I
S-S
S=S
381
392
272
230
206
271
418

Calculate the heat of reaction AH for the following reaction:
2 NH3(g) →N₂(g) + 3 H₂(g)
You can find a table of bond energies by using the Data button on the ALEKS toolbar.
Round your answer to the nearest kJ/mol.
0
kJ
mol
Explanation
lo Data
[-] Bond energies
bond
+
H-H
H-F
H-CI
H-Br
H-I
H-C
H-O
H-N
H-P
H-S
energy
(kJ/mol)
436
570
431
366
298
413
497
391
351
381
bond
O-H
O-F
O-CI
O-Br
O-I
O-C
O=C
O=C
O-O
O=O
O-N
O=N
O=S
energy
(kJ/mol)
497
215
234
210
213
385
532
1077
210
498
206
631
551
bond
F-F
F-CI
F-Br
F-I
CI-CI
Cl-Br
CI-I
Br-Br
Br-I
I-I
energy
(kJ/mol)
159
261
280
272
243
219
211
194
179
152

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