4. Using the data in table 6.1 predict the sign and magnitude of AH ° for each of the following reactions. In each case, identify whether the reaction is expected to be endothermic or exothermic? Br Br2 + HBr (a) CI OH H20 + HCI (Ь) Br OH + H20 + HBr (c) OH + H20 + HI (d)
4. Using the data in table 6.1 predict the sign and magnitude of AH ° for each of the following reactions. In each case, identify whether the reaction is expected to be endothermic or exothermic? Br Br2 + HBr (a) CI OH H20 + HCI (Ь) Br OH + H20 + HBr (c) OH + H20 + HI (d)
Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter5: Thermochemistry
Section: Chapter Questions
Problem 69E: Using the data in Appendix G, calculate the standard enthalpy change for each of the following...
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![TABLE 6.1
BOND DISSOCIATION ENERGIES (AH°) OF COMMON BONDS
KJ/MOL KCAL/MOL
KJ/MOL KCAL/MOL
KJ/MOL KCAL/MOL
Bonds to H
H2C=CH-CH3
385
92
(CH3)½CH-F
444
106
H-H
435
104
HC=C-CH3
489
117
(CH3)2CH-CI
335
80
H-CH3
435
104
(CH3½CH-Br
285
68
H-CH2CH3
410
98
Bonds to methyl
(CH3)2CH-
222
53
H-CH(CH3)2
397
95
CH3-H
435
104
(CH3)2CH-OH
381
91
H-C(CH3)3
381
91
CH3-F
456
109
473
113
CH3-CI
351
84
CH3
H-
CH3-Br
H,C-C-x
293
70
CH;-
234
56
356
85
CH3-OH
381
91
(CH3);C-H
381
91
(CH3)3C-F
444
106
H
464
111
(CH3);C-CI
331
H3C-C-x
(CH3)3C-Br
272
65
364
87
(CH3)3C-I
209
50
H-F
569
136
CH3CH2-H
410
98
(CH3)3C-OH
381
91
H-CI
431
103
CH;CH2-F
448
107
H-Br
368
88
CH3CH2-CI
339
81
X-X bonds
297
71
CH3CH2-Br
285
68
F-F
159
38
H-OH
498
119
CH3CH2H
222
53
Cl-CI
243
58
H-OCH2CH3
435
104
CH3CH2-OH
381
91
Br-Br
193
46
151
36
CH3
C-C bonds
HO-OH
213
51
H3C-C-x
CH3-CH3
368
88
CH3CH2-CH3
356
85
(CH3)2CH-CH3
351
84
(CH3)2CH-H
397
95](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F617d74ee-c3f7-41cd-acba-ccff5c8ffcb4%2Ffe1f21d6-abe3-4fe6-93c0-b9b785b85a66%2F8o9m4qa_processed.png&w=3840&q=75)
Transcribed Image Text:TABLE 6.1
BOND DISSOCIATION ENERGIES (AH°) OF COMMON BONDS
KJ/MOL KCAL/MOL
KJ/MOL KCAL/MOL
KJ/MOL KCAL/MOL
Bonds to H
H2C=CH-CH3
385
92
(CH3)½CH-F
444
106
H-H
435
104
HC=C-CH3
489
117
(CH3)2CH-CI
335
80
H-CH3
435
104
(CH3½CH-Br
285
68
H-CH2CH3
410
98
Bonds to methyl
(CH3)2CH-
222
53
H-CH(CH3)2
397
95
CH3-H
435
104
(CH3)2CH-OH
381
91
H-C(CH3)3
381
91
CH3-F
456
109
473
113
CH3-CI
351
84
CH3
H-
CH3-Br
H,C-C-x
293
70
CH;-
234
56
356
85
CH3-OH
381
91
(CH3);C-H
381
91
(CH3)3C-F
444
106
H
464
111
(CH3);C-CI
331
H3C-C-x
(CH3)3C-Br
272
65
364
87
(CH3)3C-I
209
50
H-F
569
136
CH3CH2-H
410
98
(CH3)3C-OH
381
91
H-CI
431
103
CH;CH2-F
448
107
H-Br
368
88
CH3CH2-CI
339
81
X-X bonds
297
71
CH3CH2-Br
285
68
F-F
159
38
H-OH
498
119
CH3CH2H
222
53
Cl-CI
243
58
H-OCH2CH3
435
104
CH3CH2-OH
381
91
Br-Br
193
46
151
36
CH3
C-C bonds
HO-OH
213
51
H3C-C-x
CH3-CH3
368
88
CH3CH2-CH3
356
85
(CH3)2CH-CH3
351
84
(CH3)2CH-H
397
95
![4. Using the data in table 6.1 predict the sign and magnitude of AH °for each of the
following reactions. In each case, identify whether the reaction is expected to be
endothermic or exothermic?
Br
+
Br2
HBr
(a)
CI
OH
+
H20
+
HCI
(b)
Br
OH
H20
HBr
-
(c)
OH
H2O
+
HI
(d)
+](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F617d74ee-c3f7-41cd-acba-ccff5c8ffcb4%2Ffe1f21d6-abe3-4fe6-93c0-b9b785b85a66%2Fskxrjit_processed.png&w=3840&q=75)
Transcribed Image Text:4. Using the data in table 6.1 predict the sign and magnitude of AH °for each of the
following reactions. In each case, identify whether the reaction is expected to be
endothermic or exothermic?
Br
+
Br2
HBr
(a)
CI
OH
+
H20
+
HCI
(b)
Br
OH
H20
HBr
-
(c)
OH
H2O
+
HI
(d)
+
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