Substitute natural gas (SNG) is a gaseous mature containing C H 4 ( g ) that can be used as a fuel. One reaction for the production of SNG is 4 C O ( g ) + 8 H 2 O → 3 C H 4 ( g ) + 2 H 2 ( I ) Δ rH ° = ? Use appropriate data from the following list to determine Δ r H ° for this SNG reaction. C ( g r a p h i t e ) + 1 2 O 2 ( g ) → C O ( g ) Δ r H ° = − 110.5 k J m o l − 1 C O ( g ) + 1 2 O 2 ( g ) → C O 2 ( g ) Δ r H ° = − 283.0 k J m o l − 1 H 2 ( g ) + 1 2 O 2 ( g ) → H O 2 ( g ) Δ r H ° = − 285.8 k J m o l − 1 C ( g r a p h i t e ) + 2 H 2 ( g ) → C H 4 ( g ) Δ r H ° = − 74.8 k J m o l − 1 C H 4 ( g ) + 2 O 2 ( g ) → C O 2 ( g ) + 2 H 2 O ( I ) Δ r H ° = − 890.3 k J m o l − 1
Substitute natural gas (SNG) is a gaseous mature containing C H 4 ( g ) that can be used as a fuel. One reaction for the production of SNG is 4 C O ( g ) + 8 H 2 O → 3 C H 4 ( g ) + 2 H 2 ( I ) Δ rH ° = ? Use appropriate data from the following list to determine Δ r H ° for this SNG reaction. C ( g r a p h i t e ) + 1 2 O 2 ( g ) → C O ( g ) Δ r H ° = − 110.5 k J m o l − 1 C O ( g ) + 1 2 O 2 ( g ) → C O 2 ( g ) Δ r H ° = − 283.0 k J m o l − 1 H 2 ( g ) + 1 2 O 2 ( g ) → H O 2 ( g ) Δ r H ° = − 285.8 k J m o l − 1 C ( g r a p h i t e ) + 2 H 2 ( g ) → C H 4 ( g ) Δ r H ° = − 74.8 k J m o l − 1 C H 4 ( g ) + 2 O 2 ( g ) → C O 2 ( g ) + 2 H 2 O ( I ) Δ r H ° = − 890.3 k J m o l − 1
Substitute natural gas (SNG) is a gaseous mature containing
C
H
4
(
g
)
that can be used as a fuel. One reaction for the production of SNG is
4
C
O
(
g
)
+
8
H
2
O
→
3
C
H
4
(
g
)
+
2
H
2
(
I
)
Δ
rH
°
=
?
Use appropriate data from the following list to determine
Δ
r
H
°
for this SNG reaction.
C
(
g
r
a
p
h
i
t
e
)
+
1
2
O
2
(
g
)
→
C
O
(
g
)
Δ
r
H
°
=
−
110.5
k
J
m
o
l
−
1
C
O
(
g
)
+
1
2
O
2
(
g
)
→
C
O
2
(
g
)
Δ
r
H
°
=
−
283.0
k
J
m
o
l
−
1
H
2
(
g
)
+
1
2
O
2
(
g
)
→
H
O
2
(
g
)
Δ
r
H
°
=
−
285.8
k
J
m
o
l
−
1
C
(
g
r
a
p
h
i
t
e
)
+
2
H
2
(
g
)
→
C
H
4
(
g
)
Δ
r
H
°
=
−
74.8
k
J
m
o
l
−
1
C
H
4
(
g
)
+
2
O
2
(
g
)
→
C
O
2
(
g
)
+
2
H
2
O
(
I
)
Δ
r
H
°
=
−
890.3
k
J
m
o
l
−
1
In the phase diagram of steel (two components Fe and C), region A is the gamma austenite solid and region B contains the gamma solid and liquid. Indicate the degrees of freedom that the fields A and B have,
For a condensed binary system in equilibrium at constant pressure, indicate the maximum number of phases that can exist.
Part V. Label ad match the carbons in compounds Jane and Diane
w/ the corresponding peak no.
in the
Spectra (Note: use the given peak no. To label the carbons, other peak
no are intentionally
omitted)
7 4 2
-0.13
-0.12
-0.11
-0.10
-0.08
8
CI
Jane
1
-0.09
5
210
200
190
180
170
160
150
140
130
120
110
100
-8
90
f1 (ppm)
11
8
172.4
172.0
f1 (ppr
HO
CI
NH
Diane
7
3
11
80
80
-80
-R
70
60
60
2
5
-8
50
40
8.
170
160
150
140
130
120
110
100
90
-0
80
70
20
f1 (ppm)
15
30
-20
20
-60
60
-0.07
-0.06
-0.05
-0.04
-0.03
-0.02
-0.01
-0.00
-0.01
10
-0.17
16
15
56
16
-0.16
-0.15
-0.14
-0.13
-0.12
-0.11
-0.10
-0.09
-0.08
-0.07
-0.06
-0.05
-0.04
17.8 17.6 17.4 17.2 17.0
f1 (ppm)
-0.03
-0.02
550
106
40
30
20
20
-0.01
-0.00
F-0.01
10
0
Chapter 7 Solutions
Selected Solutions Manual For General Chemistry: Principles And Modern Applications
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