Chemistry
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Transcribed Image Text:Consider the reaction
2SO2(g) + O2(g)→2SO3(g)
Using the standard thermodynamic data in the tables linked above, calculate AGxn for this reaction at 298.15K if the pressure of each gas is 18.91 mm Hg.
ANSWER:
kJ/mol
Transcribed Image Text:Sulfur
AH° (kJ/mol) AG°f (kJ/mol) s° (J/mol K)
S (s, rhombic)
31.8
S (s, monoclinic)
0.3
0.1
33.0
S (g)
278.8
238.3
167.8
S2 (aq)
33.0
86.0
-15.0
Sg (g)
102.0
50.0
431.0
S2C12 (g)
-18.4
-31.8
331.5
SF. (g)
-1209.0
-1105.3
291.8
H2S (g)
-20.6
-33.6
205.8
SO2 (g)
-296.8
-300.2
248.2
SO3 (g)
-395.7
-371.1
256.8
SOC, (g)
-212.5
-198.3
309.8
so, (aq)
2-
-909.0
-745.0
20.0
H2SO4 (1)
-814.0
-690.0
156.9
H2SO4 (aq)
-909.3
-744.5
20.1
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