1. Calculate the value of ΔSo for the oxidation of solid elemental sulfur to gaseous sulfur trioxide, as shown below. 2S(s,rhombic) + 3O2(g) → 2SO3(g)2. Calculate the value of ΔSo for the decomposition of gaseous sulfur trioxide to solid elemental sulfur and gaseous oxygen, as shown below.2SO3(g) → 2S(s,rhombic) + 3O2(g) Thermodynamic Quantities for Selected Substances at 298.15 K (25°C)AH°f (kJ/mol) AG°f (kJ/mol) S (J/K-mol)SubstanceCalciumCa (s)CaCh (s)41.4-795.8-748.1104.6Caz+ (aq)226.7209.2200.8ChlorineCl2 (g)Cl- (aq)222.96-167.2-131.256.5Oxygen02 (g)205.0H2O (1)-285.83-237.1369.91PhosphorusР2 (g)PC3 (g)РОС13 (3)144.3103.7218.1-288.1-269.6311.7-542.2-502.5325SulfurS (s, rhombic)SO2(g)SO3(g)31.88-269.9-300.4248.5-395.2-370.4256.2

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Answered: 1. Calculate the value of ΔSo for the…

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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1. Calculate the value of ΔSo for the oxidation of solid elemental sulfur to gaseous sulfur trioxide, as shown below. 2S(s,rhombic) + 3O2(g) → 2SO3(g)
2. Calculate the value of ΔSo for the decomposition of gaseous sulfur trioxide to solid elemental sulfur and gaseous oxygen, as shown below.
2SO3(g) → 2S(s,rhombic) + 3O2(g)

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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