C(s)graphite --> C(s)diamond

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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Using the information in the table below, what is the change in entropy for a system of carbon
atoms when graphite is converted to diamond? C(s)graphite --> C(s)diamond
AΗ°f (kJ mol-1)
ΔG°F (kJ mol-1)
S°f (J K1 mol-1)
Substance
C(s) (graphite)
5.740
C(s) (diamond)
1.89
2.90
2.38
C(3)
716.681
671.2
158.1
SiC(s, B-cubic)
-73.22
-70.71
16.61
SiC(s, a-hexagonal)
-71.55
-69.04
16.48
HgO(s) (red)
-90.83
-58.5
70.29
HgO(s) (yellow)
-90.46
-58.43
71.13
PbO(s) (yellow)
-217.32
-187.89
68.70
PbO(s) (red)
-218.99
-188.93
66.5
-3.36 J K-1 M
O -2.90 kJ mol-1
1.89 kJ mol1
None of these are correct.
Transcribed Image Text:Using the information in the table below, what is the change in entropy for a system of carbon atoms when graphite is converted to diamond? C(s)graphite --> C(s)diamond AΗ°f (kJ mol-1) ΔG°F (kJ mol-1) S°f (J K1 mol-1) Substance C(s) (graphite) 5.740 C(s) (diamond) 1.89 2.90 2.38 C(3) 716.681 671.2 158.1 SiC(s, B-cubic) -73.22 -70.71 16.61 SiC(s, a-hexagonal) -71.55 -69.04 16.48 HgO(s) (red) -90.83 -58.5 70.29 HgO(s) (yellow) -90.46 -58.43 71.13 PbO(s) (yellow) -217.32 -187.89 68.70 PbO(s) (red) -218.99 -188.93 66.5 -3.36 J K-1 M O -2.90 kJ mol-1 1.89 kJ mol1 None of these are correct.
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