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C + 2SO3 ๐Ÿ”ฅโ†’ 2SO2โ†‘ + CO2โ†‘

Reaction of carbon and sulfur trioxide
CCarbon + 2SO3Sulfur trioxide
๐Ÿ”ฅ
โŸถ
2SO2โ†‘Sulfur dioxide + CO2โ†‘Carbon dioxide

The reaction of carbon and sulfur trioxide yields sulfur dioxide and carbon dioxide (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related reactions
  5. 5Related categories

Reaction data

Chemical equation

Reaction of carbon and sulfur trioxide
CCarbon + 2SO3Sulfur trioxide
๐Ÿ”ฅ
โŸถ
2SO2โ†‘Sulfur dioxide + CO2โ†‘Carbon dioxide

General equation

Reaction of reducing species and reducible species
Reducing speciesReducing agent + Reducible speciesOxidizing agent
โŸถ
ProductOxidation product + ProductReduction product
Reaction of reducing nonmetal and oxide
Reducing nonmetalReducing agent + OxideOxidizing agent
๐Ÿ”ฅ
โŸถ
Elementary substance/OxideReduction product + Nonmetal oxideOxidation product

Oxidation state of each atom

Reaction of carbon and sulfur trioxide

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CCarbon1
Reducing
Reducing
Reducing nonmetal
SO3Sulfur trioxide2
Oxidizing
Reducible
Oxide

Products

Chemical formulaNameCoefficientTypeType in general
equation
SO2Sulfur dioxide2
Reduced
โ€“
Oxide
CO2Carbon dioxide1
Oxidized
โ€“
Oxide

Thermodynamic changes

Changes in standard condition (1)

Reaction of carbon and sulfur trioxide
โ—†
ฮ”rGโˆ’247.25 kJ/mol
K2.07 ร— 1043
pKโˆ’43.32
CCrystalline solidgraphite + 2SO3Liquid
๐Ÿ”ฅ
โŸถ
2SO2โ†‘Gas + CO2โ†‘Gas
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’105.09โˆ’247.25476.8โ€“
per 1 mol of
โˆ’105.09โˆ’247.25476.8โ€“
per 1 mol of
โˆ’52.545โˆ’123.63238.4โ€“
per 1 mol of
โˆ’52.545โˆ’123.63238.4โ€“
per 1 mol of
โˆ’105.09โˆ’247.25476.8โ€“

Changes in standard condition (2)

Reaction of carbon and sulfur trioxide
โ—†
ฮ”rGโˆ’250.15 kJ/mol
K6.67 ร— 1043
pKโˆ’43.82
CCrystalline soliddiamond + 2SO3Liquid
๐Ÿ”ฅ
โŸถ
2SO2โ†‘Gas + CO2โ†‘Gas
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’106.98โˆ’250.15480.2โ€“
per 1 mol of
โˆ’106.98โˆ’250.15480.2โ€“
per 1 mol of
โˆ’53.490โˆ’125.08240.1โ€“
per 1 mol of
โˆ’53.490โˆ’125.08240.1โ€“
per 1 mol of
โˆ’106.98โˆ’250.15480.2โ€“

Changes in aqueous solution (1)

Reaction of carbon and sulfur trioxide
โ—†
ฮ”rGโˆ’246.33 kJ/mol
K1.43 ร— 1043
pKโˆ’43.16
CCrystalline solidgraphite + 2SO3Crystalline solidฮฒ
๐Ÿ”ฅ
โŸถ
2SO2โ†‘Gas + CO2โ†‘Gas
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’78.15โˆ’246.33563.0โ€“
per 1 mol of
โˆ’78.15โˆ’246.33563.0โ€“
per 1 mol of
โˆ’39.08โˆ’123.17281.5โ€“
per 1 mol of
โˆ’39.08โˆ’123.17281.5โ€“
per 1 mol of
โˆ’78.15โˆ’246.33563.0โ€“

Changes in aqueous solution (2)

Reaction of carbon and sulfur trioxide
โ—†
ฮ”rGโˆ’237.95 kJ/mol
K4.86 ร— 1041
pKโˆ’41.69
CCrystalline solidgraphite + 2SO3Crystalline solidฮฒ
๐Ÿ”ฅ
โŸถ
2SO2โ†‘Gas + CO2โ†‘Un-ionized aqueous solution
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’98.44โˆ’237.95466.9โ€“
per 1 mol of
โˆ’98.44โˆ’237.95466.9โ€“
per 1 mol of
โˆ’49.22โˆ’118.97233.4โ€“
per 1 mol of
โˆ’49.22โˆ’118.97233.4โ€“
per 1 mol of
โˆ’98.44โˆ’237.95466.9โ€“

Changes in aqueous solution (3)

Reaction of carbon and sulfur trioxide
โ—†
ฮ”rGโˆ’247.29 kJ/mol
K2.11 ร— 1043
pKโˆ’43.32
CCrystalline solidgraphite + 2SO3Crystalline solidฮฒ
๐Ÿ”ฅ
โŸถ
2SO2โ†‘Un-ionized aqueous solution + CO2โ†‘Gas
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’130.45โˆ’247.29390.4โ€“
per 1 mol of
โˆ’130.45โˆ’247.29390.4โ€“
per 1 mol of
โˆ’65.225โˆ’123.64195.2โ€“
per 1 mol of
โˆ’65.225โˆ’123.64195.2โ€“
per 1 mol of
โˆ’130.45โˆ’247.29390.4โ€“

Changes in aqueous solution (4)

Reaction of carbon and sulfur trioxide
โ—†
ฮ”rGโˆ’238.91 kJ/mol
K7.17 ร— 1041
pKโˆ’41.86
CCrystalline solidgraphite + 2SO3Crystalline solidฮฒ
๐Ÿ”ฅ
โŸถ
2SO2โ†‘Un-ionized aqueous solution + CO2โ†‘Un-ionized aqueous solution
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’150.74โˆ’238.91294.3โ€“
per 1 mol of
โˆ’150.74โˆ’238.91294.3โ€“
per 1 mol of
โˆ’75.370โˆ’119.45147.2โ€“
per 1 mol of
โˆ’75.370โˆ’119.45147.2โ€“
per 1 mol of
โˆ’150.74โˆ’238.91294.3โ€“

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1
Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1
Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
C (cr)
graphite
0[1]0[1]5.740[1]8.527[1]
C (cr)
diamond
1.895[1]2.900[1]2.377[1]6.113[1]
C (g)716.682[1]671.257[1]158.096[1]20.838[1]
SO3 (cr)
ฮฒ
-454.51[1]-374.21[1]70.7[1]โ€“
SO3 (l)-441.04[1]-373.75[1]113.8[1]โ€“
SO3 (g)-395.72[1]-371.06[1]256.76[1]50.67[1]
* (cr):Crystalline solid, (g):Gas, (l):Liquid

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1
Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1
Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
SO2 (l)-320.5[1]โ€“โ€“โ€“
SO2 (g)-296.830[1]-300.194[1]248.22[1]39.87[1]
SO2 (ao)-322.980[1]-300.676[1]161.9[1]โ€“
CO2 (g)-393.509[1]-394.359[1]213.74[1]37.11[1]
CO2 (ao)-413.80[1]-385.98[1]117.6[1]โ€“
* (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1
    Janiel J. Reed (1989)
    The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units
    National Institute of Standards and Technology (NIST)