4Cu + Ca(HSO4)2 🔥→ 4CuO + S + CaSO4 + H2↑
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- Reaction of and calcium hydrogensulfate
The reaction of and calcium hydrogensulfate yields copper(II) oxide, , calcium sulfate, and (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 calcium hydrogensulfate
General equation
- Reaction of oxidizable species and reducible species
- Oxidizable speciesReducing agent + Reducible speciesOxidizing agent🔥⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of and calcium hydrogensulfate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 4 | Reducing | Oxidizable | ||
| Ca(HSO4)2 | Calcium hydrogensulfate | 1 | Oxidizing | Reducible |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CuO | Copper(II) oxide | 4 | Oxidized | – |
| 1 | Reduced | – | ||
| CaSO4 | Calcium sulfate | 1 | – | – |
| 1 | Reduced | – |
Thermodynamic changes
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] | 33.150[1] | 24.435[1] |
| (g) | 338.32[1] | 298.58[1] | 166.38[1] | 20.786[1] |
| Ca(HSO4)2 | – | – | – | – |
* (cr):Crystalline solid, (g):Gas
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 |
|---|---|---|---|---|
| CuO (cr) | -157.3[1] | -129.7[1] | 42.63[1] | 42.30[1] |
| (cr) rhombic | 0[1] | 0[1] | 31.80[1] | 22.64[1] |
| (cr) monoclinic | 0.33[1] | – | – | – |
| (g) | 278.805[1] | 238.250[1] | 167.821[1] | 23.673[1] |
| CaSO4 (cr) insoluble, anhydrite | -1434.11[1] | -1321.79[1] | 106.7[1] | 99.66[1] |
| CaSO4 (cr) soluble, α | -1425.24[1] | -1313.42[1] | 108.4[1] | 100.21[1] |
| CaSO4 (cr) soluble, β | -1420.80[1] | -1308.98[1] | 108.4[1] | 99.04[1] |
| CaSO4 (ai) | -1452.10[1] | -1298.10[1] | -33.1[1] | – |
| CaSO4 (cr) 0.5 hydrate macrocrystalline, α | -1576.74[1] | -1436.74[1] | 130.5[1] | 119.41[1] |
| CaSO4 (cr) 0.5 hydrate microcrystalline, β | -1574.65[1] | -1435.78[1] | 134.3[1] | 124.22[1] |
| CaSO4 (cr) 2 hydrate selenite | -2022.63[1] | -1797.28[1] | 194.1[1] | 186.02[1] |
| (g) | 0[1] | 0[1] | 130.684[1] | 28.824[1] |
| (ao) | -4.2[1] | 17.6[1] | 577[1] | – |
* (cr):Crystalline solid, (g):Gas, (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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 33.150 J · K−1 · mol−1
- ^ Cp°, 24.435 J · K−1 · mol−1
- ^ ΔfH°, 338.32 kJ · mol−1
- ^ ΔfG°, 298.58 kJ · mol−1
- ^ S°, 166.38 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, -157.3 kJ · mol−1
- ^ ΔfG°, -129.7 kJ · mol−1
- ^ S°, 42.63 J · K−1 · mol−1
- ^ Cp°, 42.30 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 31.80 J · K−1 · mol−1
- ^ Cp°, 22.64 J · K−1 · mol−1
- ^ ΔfH°, 0.33 kJ · mol−1
- ^ ΔfH°, 278.805 kJ · mol−1
- ^ ΔfG°, 238.250 kJ · mol−1
- ^ S°, 167.821 J · K−1 · mol−1
- ^ Cp°, 23.673 J · K−1 · mol−1
- ^ ΔfH°, -1434.11 kJ · mol−1
- ^ ΔfG°, -1321.79 kJ · mol−1
- ^ S°, 106.7 J · K−1 · mol−1
- ^ Cp°, 99.66 J · K−1 · mol−1
- ^ ΔfH°, -1425.24 kJ · mol−1
- ^ ΔfG°, -1313.42 kJ · mol−1
- ^ S°, 108.4 J · K−1 · mol−1
- ^ Cp°, 100.21 J · K−1 · mol−1
- ^ ΔfH°, -1420.80 kJ · mol−1
- ^ ΔfG°, -1308.98 kJ · mol−1
- ^ S°, 108.4 J · K−1 · mol−1
- ^ Cp°, 99.04 J · K−1 · mol−1
- ^ ΔfH°, -1452.10 kJ · mol−1
- ^ ΔfG°, -1298.10 kJ · mol−1
- ^ S°, -33.1 J · K−1 · mol−1
- ^ ΔfH°, -1576.74 kJ · mol−1
- ^ ΔfG°, -1436.74 kJ · mol−1
- ^ S°, 130.5 J · K−1 · mol−1
- ^ Cp°, 119.41 J · K−1 · mol−1
- ^ ΔfH°, -1574.65 kJ · mol−1
- ^ ΔfG°, -1435.78 kJ · mol−1
- ^ S°, 134.3 J · K−1 · mol−1
- ^ Cp°, 124.22 J · K−1 · mol−1
- ^ ΔfH°, -2022.63 kJ · mol−1
- ^ ΔfG°, -1797.28 kJ · mol−1
- ^ S°, 194.1 J · K−1 · mol−1
- ^ Cp°, 186.02 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 130.684 J · K−1 · mol−1
- ^ Cp°, 28.824 J · K−1 · mol−1
- ^ ΔfH°, -4.2 kJ · mol−1
- ^ ΔfG°, 17.6 kJ · mol−1
- ^ S°, 577 J · K−1 · mol−1