(a) Using values of Δ G o f in Table 18.3, calculate the standard free-energy change Δ G o for the reaction : C d i a m o n d ( s ) → C g r a p h i t e ( s ) (b) Will a diamond spontaneously convert to graphite under standard-state conditions at 25 o C? (c) We do not observe the diamond converting to graphite. Explain.
(a) Using values of Δ G o f in Table 18.3, calculate the standard free-energy change Δ G o for the reaction : C d i a m o n d ( s ) → C g r a p h i t e ( s ) (b) Will a diamond spontaneously convert to graphite under standard-state conditions at 25 o C? (c) We do not observe the diamond converting to graphite. Explain.
Solution Summary: The author explains that the expression to evaluate free energy change for change of carbon(diamond) to carbon (graphite) is as follows.
(a) Using values of
Δ
G
o
f
in Table 18.3, calculate the standard free-energy change
Δ
G
o
for the reaction :
C
d
i
a
m
o
n
d
(
s
)
→
C
g
r
a
p
h
i
t
e
(
s
)
(b) Will a diamond spontaneously convert to graphite under standard-state conditions at 25oC? (c) We do not observe the diamond converting to graphite. Explain.
Macmillan Learning
Draw the acyl chloride that would give the ketone shown using the Friedel-Crafts acylation reaction.
Select
Draw Templates
More
с H о
Cl
2Q
Erase
AICI₂
Draw the complete mechanism for this reaction:
.OH
مدید
OH
H2SO4
+ H₂O
To save you some time, the starting material has been copied into the first drawing area. However, you will still need to add any other reactants or catalysts that
take part in the reaction.
ན ི..
OH
Add/Remove step
Х
ด
ك
Click and drag to start
drawing a structure.
9:27 AM Tue Mar 4
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Problem 64 of 15
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Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product
structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s).
Be sure to account for all bond-breaking and bond-making steps.
0:0
0:0
:0:
N.
:0:
:O
:0:
H
H.
:0:
Select to Add Arrows
O
:0:
H
O
:0:
0:0.
S.
H
Select to Add Arrows
S
:0:
:0:
H
H
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