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  3. 12Mn(CH3COO)2 ๐Ÿ”ฅโ†’ 4Mn3O4 + O2โ†‘ + 30COโ†‘ + 18CH4โ†‘

12Mn(CH3COO)2 ๐Ÿ”ฅโ†’ 4Mn3O4 + O2โ†‘ + 30COโ†‘ + 18CH4โ†‘

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Decomposition of manganese(II) acetate
12Mn(CH3COO)2Manganese(II) acetate
๐Ÿ”ฅ
โŸถ
4Mn3O4Manganese(II,III) oxide + O2โ†‘Oxygen + 30COโ†‘Carbon monoxide + 18CH4โ†‘Methane

Decomposition of manganese(II) acetate yields manganese(II,III) oxide, oxygen, carbon monoxide, and methane (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

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Manganese(II) acetate
๐Ÿ”ฅ
โŸถ
4Mn3O4Manganese(II,III) oxide + O2โ†‘Oxygen + 30COโ†‘Carbon monoxide + 18CH4โ†‘Methane

General equation

Thermal decomposition with redox
Thermally decomposable substanceSelf redox agent
๐Ÿ”ฅ
โŸถ
ProductOxidation product + ProductReduction product
Thermal decomposition of oxoacid salt with redox
Oxoacid saltSelf redox agent
๐Ÿ”ฅ
โŸถ
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Decomposition of manganese(II) acetate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Mn(CH3COO)2Manganese(II) acetate12
Self redox agent
Thermally decomposable
Oxoacid salt

Products

Chemical formulaNameCoefficientTypeType in general
equation
Mn3O4Manganese(II,III) oxide4
Oxidized
โ€“
O2Oxygen1
Oxidized
โ€“
COCarbon monoxide30
Redoxed product
โ€“
CH4Methane18
Reduced
โ€“

Thermodynamic changes

Changes in standard condition

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Crystalline solid
๐Ÿ”ฅ
โŸถ
4Mn3O4Crystalline solid + O2โ†‘Gas + 30COโ†‘Gas + 18CH4โ†‘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
3563.7โ€“โ€“โ€“
296.97โ€“โ€“โ€“
890.92โ€“โ€“โ€“
per 1 mol of
3563.7โ€“โ€“โ€“
per 1 mol of
118.79โ€“โ€“โ€“
per 1 mol of
197.98โ€“โ€“โ€“

Changes in aqueous solution (1)

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Aqueous solution
๐Ÿ”ฅ
โŸถ
4Mn3O4Crystalline solid + O2โ†‘Gas + 30COโ†‘Gas + 18CH4โ†‘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
4175.7โ€“โ€“โ€“
347.97โ€“โ€“โ€“
1043.9โ€“โ€“โ€“
per 1 mol of
4175.7โ€“โ€“โ€“
per 1 mol of
139.19โ€“โ€“โ€“
per 1 mol of
231.98โ€“โ€“โ€“

Changes in aqueous solution (2)

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Aqueous solution
๐Ÿ”ฅ
โŸถ
4Mn3O4Crystalline solid + O2โ†‘Gas + 30COโ†‘Gas + 18CH4โ†‘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
3919.5โ€“โ€“โ€“
326.63โ€“โ€“โ€“
979.88โ€“โ€“โ€“
per 1 mol of
3919.5โ€“โ€“โ€“
per 1 mol of
130.65โ€“โ€“โ€“
per 1 mol of
217.75โ€“โ€“โ€“

Changes in aqueous solution (3)

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Aqueous solution
๐Ÿ”ฅ
โŸถ
4Mn3O4Crystalline solid + O2โ†‘Gas + 30COโ†‘Un-ionized aqueous solution + 18CH4โ†‘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
3862.6โ€“โ€“โ€“
321.88โ€“โ€“โ€“
965.65โ€“โ€“โ€“
per 1 mol of
3862.6โ€“โ€“โ€“
per 1 mol of
128.75โ€“โ€“โ€“
per 1 mol of
214.59โ€“โ€“โ€“

Changes in aqueous solution (4)

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Aqueous solution
๐Ÿ”ฅ
โŸถ
4Mn3O4Crystalline solid + O2โ†‘Gas + 30COโ†‘Un-ionized aqueous solution + 18CH4โ†‘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
3606.5โ€“โ€“โ€“
300.54โ€“โ€“โ€“
901.63โ€“โ€“โ€“
per 1 mol of
3606.5โ€“โ€“โ€“
per 1 mol of
120.22โ€“โ€“โ€“
per 1 mol of
200.36โ€“โ€“โ€“

Changes in aqueous solution (5)

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Aqueous solution
๐Ÿ”ฅ
โŸถ
4Mn3O4Crystalline solid + O2โ†‘Un-ionized aqueous solution + 30COโ†‘Gas + 18CH4โ†‘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
4164.0โ€“โ€“โ€“
347.00โ€“โ€“โ€“
1041.0โ€“โ€“โ€“
per 1 mol of
4164.0โ€“โ€“โ€“
per 1 mol of
138.80โ€“โ€“โ€“
per 1 mol of
231.33โ€“โ€“โ€“

Changes in aqueous solution (6)

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Aqueous solution
๐Ÿ”ฅ
โŸถ
4Mn3O4Crystalline solid + O2โ†‘Un-ionized aqueous solution + 30COโ†‘Gas + 18CH4โ†‘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
3907.8โ€“โ€“โ€“
325.65โ€“โ€“โ€“
976.95โ€“โ€“โ€“
per 1 mol of
3907.8โ€“โ€“โ€“
per 1 mol of
130.26โ€“โ€“โ€“
per 1 mol of
217.10โ€“โ€“โ€“

Changes in aqueous solution (7)

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Aqueous solution
๐Ÿ”ฅ
โŸถ
4Mn3O4Crystalline solid + O2โ†‘Un-ionized aqueous solution + 30COโ†‘Un-ionized aqueous solution + 18CH4โ†‘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
3850.9โ€“โ€“โ€“
320.91โ€“โ€“โ€“
962.73โ€“โ€“โ€“
per 1 mol of
3850.9โ€“โ€“โ€“
per 1 mol of
128.36โ€“โ€“โ€“
per 1 mol of
213.94โ€“โ€“โ€“

Changes in aqueous solution (8)

Decomposition of manganese(II) acetate
12Mn(CH3COO)2Aqueous solution
๐Ÿ”ฅ
โŸถ
4Mn3O4Crystalline solid + O2โ†‘Un-ionized aqueous solution + 30COโ†‘Un-ionized aqueous solution + 18CH4โ†‘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
3594.8โ€“โ€“โ€“
299.57โ€“โ€“โ€“
898.70โ€“โ€“โ€“
per 1 mol of
3594.8โ€“โ€“โ€“
per 1 mol of
119.83โ€“โ€“โ€“
per 1 mol of
199.71โ€“โ€“โ€“

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
Mn(CH3COO)2 (cr)-1148.1[1]โ€“โ€“โ€“
Mn(CH3COO)2 (aq)-1199.1[1]โ€“โ€“โ€“
Mn(CH3COO)2 (cr)
4 hydrate
-2338.0[1]โ€“โ€“โ€“
* (cr):Crystalline solid, (aq):Aqueous solution

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
Mn3O4 (cr)-1387.8[1]-1283.2[1]155.6[1]139.66[1]
O2 (g)0[1]0[1]205.138[1]29.355[1]
O2 (ao)-11.7[1]16.4[1]110.9[1]โ€“
CO (g)-110.525[1]-137.168[1]197.674[1]29.142[1]
CO (ao)-120.96[1]-119.90[1]104.6[1]โ€“
CH4 (g)-74.81[1]-50.72[1]186.264[1]35.309[1]
CH4 (ao)-89.04[1]-34.33[1]83.7[1]โ€“
* (cr):Crystalline solid, (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)