Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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3. Calculate the value of ΔSo for the formation of POCl3 from its constituent elements, as shown below. P2(g) + O2(g) + 3Cl2(g) → 2POCl3(g)
Transcribed Image Text:Thermodynamic Quantities for Selected Substances at 298.15 K (25°C)
AH°f (kJ/mol) AG°f (kJ/mol) S (J/K-mol)
Substance
Calcium
Ca (s)
CaCh (s)
41.4
-795.8
-748.1
104.6
Caz+ (aq)
226.7
209.2
200.8
Chlorine
Cl2 (g)
Cl- (aq)
222.96
-167.2
-131.2
56.5
Oxygen
02 (g)
205.0
H2O (1)
-285.83
-237.13
69.91
Phosphorus
Р2 (g)
PC3 (g)
РОС13 (3)
144.3
103.7
218.1
-288.1
-269.6
311.7
-542.2
-502.5
325
Sulfur
S (s, rhombic)
SO2(g)
SO3(g)
31.88
-269.9
-300.4
248.5
-395.2
-370.4
256.2
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