2Na + NiSO4 → Na2SO3 + NiO
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- Reaction of and nickel(II) sulfate
The reaction of and nickel(II) sulfate yields sodium sulfite and nickel(II) oxide (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of and nickel(II) sulfate
General equation
- Reaction of reducing species and reducible species
- Reducing speciesReducing agent + Reducible speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of and nickel(II) sulfate
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
2 | Reducing | Reducing | ||
NiSO4 | Nickel(II) sulfate | 1 | Oxidizing | Reducible |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
Na2SO3 | Sodium sulfite | 1 | Redoxed product | – |
NiO | Nickel(II) oxide | 1 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of and nickel(II) sulfate◆
ΔrG −464.5 kJ/mol K 2.38 × 1081 pK −81.38
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 | −467.6 | −464.5 | −10 | −30 |
−233.8 | −232.3 | −5.0 | −15 | |
per 1 mol of | −467.6 | −464.5 | −10 | −30 |
per 1 mol of | −467.6 | −464.5 | −10 | −30 |
per 1 mol of | −467.6 | −464.5 | −10 | −30 |
Changes in aqueous solution (1)
- Reaction of and nickel(II) sulfate◆
ΔrG −431.8 kJ/mol K 4.45 × 1075 pK −75.65
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 | −392.4 | −431.8 | 132.3 | – |
−196.2 | −215.9 | 66.15 | – | |
per 1 mol of | −392.4 | −431.8 | 132.3 | – |
per 1 mol of | −392.4 | −431.8 | 132.3 | – |
per 1 mol of | −392.4 | −431.8 | 132.3 | – |
Changes in aqueous solution (2)
- Reaction of and nickel(II) sulfate◆
ΔrG −418.8 kJ/mol K 2.35 × 1073 pK −73.37
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 | −406.3 | −418.8 | 41.5 | – |
−203.2 | −209.4 | 20.8 | – | |
per 1 mol of | −406.3 | −418.8 | 41.5 | – |
per 1 mol of | −406.3 | −418.8 | 41.5 | – |
per 1 mol of | −406.3 | −418.8 | 41.5 | – |
Thermodynamic data of reactants
Chemical formula | Standard 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 |
---|---|---|---|---|
(cr) | 0[1] | 0[1] | 51.21[1] | 28.24[1] |
(g) | 107.32[1] | 76.761[1] | 153.712[1] | 20.786[1] |
NiSO4 (cr) | -872.91[1] | -759.7[1] | 92[1] | 138[1] |
NiSO4 (ai) | -963.2[1] | -790.3[1] | -108.8[1] | – |
NiSO4 (ao) | -949.3[1] | -803.3[1] | -18.0[1] | – |
NiSO4 (cr) 4 hydrate | -2104.1[1] | – | – | – |
NiSO4 (cr) 6 hydrate α, tetragonal, green | -2682.82[1] | -2224.61[1] | 334.47[1] | 327.86[1] |
NiSO4 (cr) 6 hydrate β, monoclinic, blue | -2672.3[1] | – | – | – |
NiSO4 (cr) 7 hydrate | -2976.33[1] | -2461.83[1] | 378.94[1] | 364.59[1] |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution
Thermodynamic data of products
Chemical formula | Standard 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 |
---|---|---|---|---|
Na2SO3 (cr) | -1100.8[1] | -1012.5[1] | 145.94[1] | 120.25[1] |
Na2SO3 (ai) | -1115.87[1] | -1010.39[1] | 87.9[1] | – |
Na2SO3 (cr) 7 hydrate | -3162.3[1] | -2676.1[1] | 444[1] | – |
NiO (cr) | -239.7[1] | -211.7[1] | 37.99[1] | 44.31[1] |
NiO (g) | 314[1] | – | – | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas
References
List of references
- 1Janiel J. Reed (1989)The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI UnitsNational Institute of Standards and Technology (NIST)
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 51.21 J · K−1 · mol−1
- ^ Cp°, 28.24 J · K−1 · mol−1
- ^ ΔfH°, 107.32 kJ · mol−1
- ^ ΔfG°, 76.761 kJ · mol−1
- ^ S°, 153.712 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, -872.91 kJ · mol−1
- ^ ΔfG°, -759.7 kJ · mol−1
- ^ S°, 92. J · K−1 · mol−1
- ^ Cp°, 138. J · K−1 · mol−1
- ^ ΔfH°, -963.2 kJ · mol−1
- ^ ΔfG°, -790.3 kJ · mol−1
- ^ S°, -108.8 J · K−1 · mol−1
- ^ ΔfH°, -949.3 kJ · mol−1
- ^ ΔfG°, -803.3 kJ · mol−1
- ^ S°, -18.0 J · K−1 · mol−1
- ^ ΔfH°, -2104.1 kJ · mol−1
- ^ ΔfH°, -2682.82 kJ · mol−1
- ^ ΔfG°, -2224.61 kJ · mol−1
- ^ S°, 334.47 J · K−1 · mol−1
- ^ Cp°, 327.86 J · K−1 · mol−1
- ^ ΔfH°, -2672.3 kJ · mol−1
- ^ ΔfH°, -2976.33 kJ · mol−1
- ^ ΔfG°, -2461.83 kJ · mol−1
- ^ S°, 378.94 J · K−1 · mol−1
- ^ Cp°, 364.59 J · K−1 · mol−1
- ^ ΔfH°, -1100.8 kJ · mol−1
- ^ ΔfG°, -1012.5 kJ · mol−1
- ^ S°, 145.94 J · K−1 · mol−1
- ^ Cp°, 120.25 J · K−1 · mol−1
- ^ ΔfH°, -1115.87 kJ · mol−1
- ^ ΔfG°, -1010.39 kJ · mol−1
- ^ S°, 87.9 J · K−1 · mol−1
- ^ ΔfH°, -3162.3 kJ · mol−1
- ^ ΔfG°, -2676.1 kJ · mol−1
- ^ S°, 444. J · K−1 · mol−1
- ^ ΔfH°, -239.7 kJ · mol−1
- ^ ΔfG°, -211.7 kJ · mol−1
- ^ S°, 37.99 J · K−1 · mol−1
- ^ Cp°, 44.31 J · K−1 · mol−1
- ^ ΔfH°, 314. kJ · mol−1