Reaction (AGº) (kJ) a. 2S(s, rhombic) + 302(g) → 2S03(g) 2SO3(9) b. S(s, rhombic) + O2(g) → 2SO2(g) c. 2S03(g) → 2S(s, rhombic) + 302(g) d. SO2(9) → S(s, rhombic) + O2(g)

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 50QRT: Given the thermochemical expression CaO(s) + 3C(s) CaC2(s) + CO(g) rH = 464.8 kJ/mol calculate the...
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Thermodynamics Quantities for Selected Substances at
298.15 K (25°C)
AH°f (kJ/mol)
AG°f (kJ/mol)
Substance
Охуgen
O2(g)
-237.13
-285.83
H2O)
Sulfur
Sulfur(s, rhombic)
-300.4
-269.9
SO2(9)
-370.4
-395.2
SO3(g)
(AG) (kJ)
Reaction
a. 25(s, rhombic)
+ 302(g)
2SO3(9)
b. S(s, rhombic) + O2(g) → 2SO2(g)
302(g)
+
c. 2SO3(g)
2S(s, rhombic)
d. SO2(g)→ S(s, rhombic)
+ O2(g)
Transcribed Image Text:Thermodynamics Quantities for Selected Substances at 298.15 K (25°C) AH°f (kJ/mol) AG°f (kJ/mol) Substance Охуgen O2(g) -237.13 -285.83 H2O) Sulfur Sulfur(s, rhombic) -300.4 -269.9 SO2(9) -370.4 -395.2 SO3(g) (AG) (kJ) Reaction a. 25(s, rhombic) + 302(g) 2SO3(9) b. S(s, rhombic) + O2(g) → 2SO2(g) 302(g) + c. 2SO3(g) 2S(s, rhombic) d. SO2(g)→ S(s, rhombic) + O2(g)
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