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  3. 6CH3COONa 🔥→ 3Na2CO3 + 9C + 9H2↑ + O3↑

6CH3COONa 🔥→ 3Na2CO3 + 9C + 9H2↑ + O3↑

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Decomposition of sodium acetate
6CH3COONaSodium acetate
🔥
⟶
3Na2CO3Sodium carbonate + 9CCarbon + 9H2↑Hydrogen + O3↑Ozone

Decomposition of sodium acetate yields sodium carbonate, carbon, hydrogen, and ozone (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 sodium acetate
6CH3COONaSodium acetate
🔥
⟶
3Na2CO3Sodium carbonate + 9CCarbon + 9H2↑Hydrogen + O3↑Ozone

General equation

Thermal decomposition with redox
Thermally decomposable substanceSelf redox agent
🔥
⟶
ProductOxidation product + ProductReduction product
Thermal decomposition of oxoacid salt with redox
Oxoacid saltSelf redox agent
🔥
⟶
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Decomposition of sodium acetate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CH3COONaSodium acetate6
Self redox agent
Thermally decomposable
Oxoacid salt

Products

Chemical formulaNameCoefficientTypeType in general
equation
Na2CO3Sodium carbonate3
Oxidized
–
CCarbon9
Redoxed product
–
H2Hydrogen9
Reduced
–
O3Ozone1
Oxidized
–

Thermodynamic changes

Changes in standard condition (1)

Decomposition of sodium acetate
◆
ΔrG673.0 kJ/mol
K0.12 × 10−117
pK117.90
6CH3COONaCrystalline solid
🔥
⟶
3Na2CO3Crystalline solid + 9CCrystalline solidgraphite + 9H2↑Gas + O3↑Gas
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1		Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1		Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1		Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
1003.5673.01133.7232.9
per 1 mol of
167.25112.2188.9538.82
per 1 mol of
334.50224.3377.9077.63
per 1 mol of
111.5074.78125.9725.88
per 1 mol of
111.5074.78125.9725.88
per 1 mol of
1003.5673.01133.7232.9

Changes in standard condition (2)

Decomposition of sodium acetate
◆
ΔrG699.1 kJ/mol
K0.33 × 10−122
pK122.48
6CH3COONaCrystalline solid
🔥
⟶
3Na2CO3Crystalline solid + 9CCrystalline soliddiamond + 9H2↑Gas + O3↑Gas
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1		Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1		Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1		Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
1020.6699.11103.4211.1
per 1 mol of
170.10116.5183.9035.18
per 1 mol of
340.20233.0367.8070.37
per 1 mol of
113.4077.68122.6023.46
per 1 mol of
113.4077.68122.6023.46
per 1 mol of
1020.6699.11103.4211.1

Changes in aqueous solution (1)

Decomposition of sodium acetate
◆
ΔrG795.5 kJ/mol
K0.43 × 10−139
pK139.37
6CH3COONaIonized aqueous solution
🔥
⟶
3Na2CO3Ionized aqueous solution + 9CCrystalline solidgraphite + 9H2↑Gas + O3↑Gas
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1		Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1		Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1		Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
1027.3795.5776.4–
per 1 mol of
171.22132.6129.4–
per 1 mol of
342.43265.2258.8–
per 1 mol of
114.1488.3986.27–
per 1 mol of
114.1488.3986.27–
per 1 mol of
1027.3795.5776.4–

Changes in aqueous solution (2)

Decomposition of sodium acetate
◆
ΔrG806.4 kJ/mol
K0.53 × 10−141
pK141.28
6CH3COONaIonized aqueous solution
🔥
⟶
3Na2CO3Ionized aqueous solution + 9CCrystalline solidgraphite + 9H2↑Gas + O3↑Un-ionized aqueous solution
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1		Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1		Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1		Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
1010.5806.4684–
per 1 mol of
168.42134.4114–
per 1 mol of
336.83268.8228–
per 1 mol of
112.2889.6076.0–
per 1 mol of
112.2889.6076.0–
per 1 mol of
1010.5806.4684–

Changes in aqueous solution (3)

Decomposition of sodium acetate
◆
ΔrG953.9 kJ/mol
K0.77 × 10−167
pK167.12
6CH3COONaIonized aqueous solution
🔥
⟶
3Na2CO3Ionized aqueous solution + 9CCrystalline solidgraphite + 9H2↑Un-ionized aqueous solution + O3↑Gas
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1		Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1		Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1		Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
989.5953.94793–
per 1 mol of
164.9159.0798.8–
per 1 mol of
329.8318.01598–
per 1 mol of
109.9106.0532.6–
per 1 mol of
109.9106.0532.6–
per 1 mol of
989.5953.94793–

Changes in aqueous solution (4)

Decomposition of sodium acetate
◆
ΔrG964.8 kJ/mol
K0.94 × 10−169
pK169.03
6CH3COONaIonized aqueous solution
🔥
⟶
3Na2CO3Ionized aqueous solution + 9CCrystalline solidgraphite + 9H2↑Un-ionized aqueous solution + O3↑Un-ionized aqueous solution
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1		Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1		Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1		Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
972.7964.84700–
per 1 mol of
162.1160.8783.3–
per 1 mol of
324.2321.61567–
per 1 mol of
108.1107.2522.2–
per 1 mol of
108.1107.2522.2–
per 1 mol of
972.7964.84700–

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ΔfH°
kJ · mol−1		Standard Gibbs
energy of
formation
ΔfG°
kJ · mol−1		Standard
molar entropy
S°
J · K−1 · mol−1		Standard molar
heat capacity at
constant pressure
Cp°
J · K−1 · mol−1
CH3COONa (cr)-708.81[1]-607.18[1]123.0[1]79.9[1]
CH3COONa (ai)-726.13[1]-631.20[1]145.6[1]40.2[1]
CH3COONa (cr)
3 hydrate
-1603.3[1]-1328.6[1]243[1]–
* (cr):Crystalline solid, (ai):Ionized aqueous solution

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ΔfH°
kJ · mol−1		Standard Gibbs
energy of
formation
ΔfG°
kJ · mol−1		Standard
molar entropy
S°
J · K−1 · mol−1		Standard molar
heat capacity at
constant pressure
Cp°
J · K−1 · mol−1
Na2CO3 (cr)-1130.68[1]-1044.44[1]134.98[1]112.30[1]
Na2CO3 (ai)-1157.38[1]-1051.64[1]61.1[1]–
Na2CO3 (cr)
1 hydrate
-1431.26[1]-1285.31[1]168.11[1]145.60[1]
Na2CO3 (cr)
7 hydrate
-3199.96[1]-2714.2[1]422.2[1]–
Na2CO3 (cr)
10 hydrate
-4081.32[1]-3427.66[1]562.7[1]550.32[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]
H2 (g)0[1]0[1]130.684[1]28.824[1]
H2 (ao)-4.2[1]17.6[1]577[1]–
O3 (g)142.7[1]163.2[1]238.93[1]39.20[1]
O3 (ao)125.9[1]174.1[1]146[1]–
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (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)