Question
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1) Use the table below to answer the questions that follow. Thermodynamic Quantities for Selected Substances...
1) Use the table below to answer the questions that follow.
Thermodynamic Quantities for Selected Substances at 298.15 K (25 °C) __
Substance ΔH ° f (kJ/mol) ΔG ° f (kJ/mol) S (J/K-mol)
Calcium
Ca (s) 0 0 41.4
CaCl 2 (s) -795.8 -748.1 104.6
Ca 2 + (aq) 226.7 209.2 200.8
Chlorine
Cl 2 (g) 0 0 222.96
Cl- (aq) -167.2 -131.2 56.5
Oxygen
O 2 (g) 0 0 205.0
H 2O (l) -285.83 -237.13 69.91
Phosphorus
P 2 (g) 144.3 103.7 218.1
PCl 3 (g) -288.1 -269.6 311.7
POCl 3 (g) -542.2 -502.5 325
Sulfur
S (s, rhombic) 0 0 31.88
SO 2(g) -269.9 -300.4 248.5
SO 3(g) -395.2 -370.4 256.2
The value of ΔH° for the oxidation of solid elemental sulfur to gaseous sulfur dioxide,
S (s, rhombic) + O 2 (g) → SO 2 (g) is __________ kJ/mol.
a) +0.00
b) +11.6
c) +269.9
d) -11.6
e) -269.9
2) Use the table below to answer the questions that
follow.
Thermodynamic Quantities for Selected Substances at 298.15 K (25
°C)
__
Substance ΔH ° f (kJ/mol) ΔG
° f (kJ/mol) S (J/K-mol)
Calcium
Ca (s) 0 0 41.4
CaCl 2 (s) -795.8 -748.1 104.6
Ca 2+ (aq) 226.7 209.2 200.8
Chlorine
Cl 2 (g) 0 0 222.96
Cl- (aq) -167.2 -131.2 56.5
Oxygen
O 2 (g) 0 0 205.0
H 2O (l) -285.83 -237.13 69.91
Phosphorus
P 2 (g) 144.3 103.7 218.1
PCl 3 (g) -288.1 -269.6 311.7
POCl 3 (g) -542.2 -502.5 325
Sulfur
S (s, rhombic) 0 0 31.88
SO 2(g) -269.9 -300.4 248.5
SO 3(g) -395.2 -370.4 256.2
The value of ΔG° at 25 °C for the oxidation of solid elemental
sulfur to gaseous sulfur trioxide,
2S (s, rhombic) + 3O 2 (g) → 2SO 3
(g)
is __________ kJ/mol.
Solutions
Amanda K answered 2 hours agoRelated Solutions
Part 1 Calculate the missing values in the table below. Then answer the questions that follow...
Part 1
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2
3
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June
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June
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Item
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Nondurable goods
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Services
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Fixed investment
120
Inventory investment
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Government purchases
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Exports
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Accounts Receivable
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