5H2S + 5Ni(NO3)2 → 5NiSO4 + 4N2 + 2HNO3 + 4H2O
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- Reaction of hydrogen sulfide and nickel(II) nitrate
The reaction of hydrogen sulfide and nickel(II) nitrate yields nickel(II) sulfate, , nitric acid, and water (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 hydrogen sulfide and nickel(II) nitrate
General equation
- Reaction of reducing species and oxidizing species
- Reducing speciesReducing agent + Oxidizing speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of hydrogen sulfide and nickel(II) nitrate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| H2S | Hydrogen sulfide | 5 | Reducing | Reducing |
| Ni(NO3)2 | Nickel(II) nitrate | 5 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NiSO4 | Nickel(II) sulfate | 5 | Oxidized | – |
| 4 | Reduced | – | ||
| HNO3 | Nitric acid | 2 | – | – |
| H2O | Water | 4 | – | – |
Thermodynamic changes
Changes in standard condition
- Reaction of hydrogen sulfide and nickel(II) nitrate
| 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 | −3677.4 | – | – | – |
per 1 mol of | −735.48 | – | – | – |
per 1 mol of | −735.48 | – | – | – |
per 1 mol of | −735.48 | – | – | – |
| −919.35 | – | – | – | |
per 1 mol of | −1838.7 | – | – | – |
per 1 mol of | −919.35 | – | – | – |
Changes in aqueous solution (1)
- Reaction of hydrogen sulfide and nickel(II) nitrate◆
ΔrG −3640.9 kJ/mol K 7.21 × 10637 pK −637.86
| 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 | −3832.5 | −3640.9 | −630 | – |
per 1 mol of | −766.50 | −728.18 | −126 | – |
per 1 mol of | −766.50 | −728.18 | −126 | – |
per 1 mol of | −766.50 | −728.18 | −126 | – |
| −958.13 | −910.23 | −158 | – | |
per 1 mol of | −1916.3 | −1820.5 | −315 | – |
per 1 mol of | −958.13 | −910.23 | −158 | – |
Changes in aqueous solution (2)
- Reaction of hydrogen sulfide and nickel(II) nitrate◆
ΔrG −3705.9 kJ/mol K 1.76 × 10649 pK −649.25
| 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 | −3763.0 | −3705.9 | −176 | – |
per 1 mol of | −752.60 | −741.18 | −35.2 | – |
per 1 mol of | −752.60 | −741.18 | −35.2 | – |
per 1 mol of | −752.60 | −741.18 | −35.2 | – |
| −940.75 | −926.48 | −44.0 | – | |
per 1 mol of | −1881.5 | −1853.0 | −88.0 | – |
per 1 mol of | −940.75 | −926.48 | −44.0 | – |
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 |
|---|---|---|---|---|
| H2S (g) | -20.63[1] | -33.56[1] | 205.79[1] | 34.23[1] |
| H2S (ao) | -39.7[1] | -27.83[1] | 121[1] | – |
| Ni(NO3)2 (cr) | -415.1[1] | – | – | – |
| Ni(NO3)2 (ai) | -468.6[1] | -268.5[1] | 164.0[1] | – |
| Ni(NO3)2 (cr) 3 hydrate | -1326.3[1] | – | – | – |
| Ni(NO3)2 (cr) 6 hydrate | -2211.7[1] | – | – | 464[1] |
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (ai):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 |
|---|---|---|---|---|
| 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] |
| (g) | 0[1] | 0[1] | 191.61[1] | 29.125[1] |
| HNO3 (l) | -174.10[1] | -80.71[1] | 155.60[1] | 109.87[1] |
| HNO3 (g) | -135.06[1] | -74.72[1] | 266.38[1] | 53.35[1] |
| HNO3 (ai) | -207.36[1] | -111.25[1] | 146.4[1] | -86.6[1] |
| HNO3 (l) 1 hydrate | -473.46[1] | -328.77[1] | 216.90[1] | 182.46[1] |
| HNO3 (l) 3 hydrate | -1056.04[1] | -811.09[1] | 346.98[1] | 325.14[1] |
| H2O (cr) | – | – | – | – |
| H2O (l) | -285.830[1] | -237.129[1] | 69.91[1] | 75.291[1] |
| H2O (g) | -241.818[1] | -228.572[1] | 188.825[1] | 33.577[1] |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution, (g):Gas, (l):Liquid
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°, -20.63 kJ · mol−1
- ^ ΔfG°, -33.56 kJ · mol−1
- ^ S°, 205.79 J · K−1 · mol−1
- ^ Cp°, 34.23 J · K−1 · mol−1
- ^ ΔfH°, -39.7 kJ · mol−1
- ^ ΔfG°, -27.83 kJ · mol−1
- ^ S°, 121. J · K−1 · mol−1
- ^ ΔfH°, -415.1 kJ · mol−1
- ^ ΔfH°, -468.6 kJ · mol−1
- ^ ΔfG°, -268.5 kJ · mol−1
- ^ S°, 164.0 J · K−1 · mol−1
- ^ ΔfH°, -1326.3 kJ · mol−1
- ^ ΔfH°, -2211.7 kJ · mol−1
- ^ Cp°, 464. 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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 191.61 J · K−1 · mol−1
- ^ Cp°, 29.125 J · K−1 · mol−1
- ^ ΔfH°, -174.10 kJ · mol−1
- ^ ΔfG°, -80.71 kJ · mol−1
- ^ S°, 155.60 J · K−1 · mol−1
- ^ Cp°, 109.87 J · K−1 · mol−1
- ^ ΔfH°, -135.06 kJ · mol−1
- ^ ΔfG°, -74.72 kJ · mol−1
- ^ S°, 266.38 J · K−1 · mol−1
- ^ Cp°, 53.35 J · K−1 · mol−1
- ^ ΔfH°, -207.36 kJ · mol−1
- ^ ΔfG°, -111.25 kJ · mol−1
- ^ S°, 146.4 J · K−1 · mol−1
- ^ Cp°, -86.6 J · K−1 · mol−1
- ^ ΔfH°, -473.46 kJ · mol−1
- ^ ΔfG°, -328.77 kJ · mol−1
- ^ S°, 216.90 J · K−1 · mol−1
- ^ Cp°, 182.46 J · K−1 · mol−1
- ^ ΔfH°, -1056.04 kJ · mol−1
- ^ ΔfG°, -811.09 kJ · mol−1
- ^ S°, 346.98 J · K−1 · mol−1
- ^ Cp°, 325.14 J · K−1 · mol−1
- ^ ΔfH°, -285.830 kJ · mol−1
- ^ ΔfG°, -237.129 kJ · mol−1
- ^ S°, 69.91 J · K−1 · mol−1
- ^ Cp°, 75.291 J · K−1 · mol−1
- ^ ΔfH°, -241.818 kJ · mol−1
- ^ ΔfG°, -228.572 kJ · mol−1
- ^ S°, 188.825 J · K−1 · mol−1
- ^ Cp°, 33.577 J · K−1 · mol−1