NiO + SO3 → NiSO4
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The reaction of nickel(II) oxide and sulfur trioxide yields nickel(II) sulfate. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of nickel(II) oxide and sulfur trioxide
General equation
- Reaction of basic oxide and acidic oxide
- Basic oxideLewis base + Acidic oxideLewis acid ⟶ Oxoacid saltLewis conjugate
- Reaction of weakly basic oxide and strongly acidic oxide
- Weakly basic oxideLewis base + Strongly acidic oxideLewis acid ⟶ Salt of strong acid and weak baseLewis conjugate
Oxidation state of each atom
- Reaction of nickel(II) oxide and sulfur trioxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NiO | Nickel(II) oxide | 1 | Lewis base | Basic oxide Weakly basic oxide |
| SO3 | Sulfur trioxide | 1 | Lewis acid | Acidic oxide Strongly acidic oxide |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NiSO4 | Nickel(II) sulfate | 1 | Lewis conjugate | Oxoacid salt Salt of strong acid and weak base |
Thermodynamic changes
Changes in standard condition
- Reaction of nickel(II) oxide and sulfur trioxide◆
ΔrG −174.3 kJ/mol K 3.44 × 1030 pK −30.54
| 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 | −192.2 | −174.3 | −60 | – |
per 1 mol of | −192.2 | −174.3 | −60 | – |
per 1 mol of | −192.2 | −174.3 | −60 | – |
per 1 mol of | −192.2 | −174.3 | −60 | – |
Changes in aqueous solution (1)
- Reaction of nickel(II) oxide and sulfur trioxide◆
ΔrG −204.4 kJ/mol K 6.45 × 1035 pK −35.81
| 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 | −269.0 | −204.4 | −217.5 | – |
per 1 mol of | −269.0 | −204.4 | −217.5 | – |
per 1 mol of | −269.0 | −204.4 | −217.5 | – |
per 1 mol of | −269.0 | −204.4 | −217.5 | – |
Changes in aqueous solution (2)
- Reaction of nickel(II) oxide and sulfur trioxide◆
ΔrG −217.4 kJ/mol K 1.22 × 1038 pK −38.09
| 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 | −255.1 | −217.4 | −126.7 | – |
per 1 mol of | −255.1 | −217.4 | −126.7 | – |
per 1 mol of | −255.1 | −217.4 | −126.7 | – |
per 1 mol of | −255.1 | −217.4 | −126.7 | – |
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 |
|---|---|---|---|---|
| NiO (cr) | -239.7[1] | -211.7[1] | 37.99[1] | 44.31[1] |
| NiO (g) | 314[1] | – | – | – |
| SO3 (cr) β | -454.51[1] | -374.21[1] | 70.7[1] | – |
| SO3 (l) | -441.04[1] | -373.75[1] | 113.8[1] | – |
| 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 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 |
|---|---|---|---|---|
| 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, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution
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°, -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
- ^ ΔfH°, -454.51 kJ · mol−1
- ^ ΔfG°, -374.21 kJ · mol−1
- ^ S°, 70.7 J · K−1 · mol−1
- ^ ΔfH°, -441.04 kJ · mol−1
- ^ ΔfG°, -373.75 kJ · mol−1
- ^ S°, 113.8 J · K−1 · mol−1
- ^ ΔfH°, -395.72 kJ · mol−1
- ^ ΔfG°, -371.06 kJ · mol−1
- ^ S°, 256.76 J · K−1 · mol−1
- ^ Cp°, 50.67 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