FeCO3 + 2CsOH → Cs2CO3 + Fe(OH)2
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The reaction of iron(II) carbonate and caesium hydroxide yields caesium carbonate and iron(II) hydroxide. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of iron(II) carbonate and caesium hydroxide
General equation
- Reaction of salt of weak base and strong base
- Salt of weak baseBrønsted acid + Strong baseBrønsted base ⟶ Salt of strong baseConjugate acid + Weak baseConjugate base + (H2O)
Oxidation state of each atom
- Reaction of iron(II) carbonate and caesium hydroxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| FeCO3 | Iron(II) carbonate | 1 | Brønsted acid | Salt of weak base |
| CsOH | Caesium hydroxide | 2 | Brønsted base | Strong base |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cs2CO3 | Caesium carbonate | 1 | Conjugate acid | Salt of strong base |
| Fe(OH)2 | Iron(II) hydroxide | 1 | Conjugate base | Weak base |
Thermodynamic changes
Changes in standard condition
- Reaction of iron(II) carbonate and caesium hydroxide
| 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 | −133.7 | – | – | – |
per 1 mol of | −133.7 | – | – | – |
per 1 mol of | −66.85 | – | – | – |
per 1 mol of | −133.7 | – | – | – |
per 1 mol of | −133.7 | – | – | – |
Changes in aqueous solution
- Reaction of iron(II) carbonate and caesium hydroxide◆
ΔrG −33.2 kJ/mol K 6.55 × 105 pK −5.82
| 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 | −45.6 | −33.2 | −40 | – |
per 1 mol of | −45.6 | −33.2 | −40 | – |
per 1 mol of | −22.8 | −16.6 | −20 | – |
per 1 mol of | −45.6 | −33.2 | −40 | – |
per 1 mol of | −45.6 | −33.2 | −40 | – |
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 |
|---|---|---|---|---|
| FeCO3 (cr) siderite | -740.57[1] | -666.67[1] | 92.9[1] | 82.13[1] |
| CsOH (cr) | -417.23[1] | – | – | – |
| CsOH (g) | -247[1] | -247[1] | 254.83[1] | 49.71[1] |
| CsOH (ai) | -488.27[1] | -449.25[1] | 122.30[1] | – |
| CsOH (cr) 1 hydrate | -754.04[1] | – | – | – |
* (cr):Crystalline solid, (g):Gas, (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 |
|---|---|---|---|---|
| Cs2CO3 (cr) | -1139.7[1] | -1054.3[1] | 204.47[1] | 123.85[1] |
| Cs2CO3 (ai) | -1193.70[1] | -1111.85[1] | 209.2[1] | – |
| Cs2CO3 (cr) 3 hydrate | -2048.1[1] | – | – | – |
| Fe(OH)2 (cr) precipitated | -569.0[1] | -486.5[1] | 88[1] | – |
| Fe(OH)2 (g) | -372[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°, -740.57 kJ · mol−1
- ^ ΔfG°, -666.67 kJ · mol−1
- ^ S°, 92.9 J · K−1 · mol−1
- ^ Cp°, 82.13 J · K−1 · mol−1
- ^ ΔfH°, -417.23 kJ · mol−1
- ^ ΔfH°, -247. kJ · mol−1
- ^ ΔfG°, -247. kJ · mol−1
- ^ S°, 254.83 J · K−1 · mol−1
- ^ Cp°, 49.71 J · K−1 · mol−1
- ^ ΔfH°, -488.27 kJ · mol−1
- ^ ΔfG°, -449.25 kJ · mol−1
- ^ S°, 122.30 J · K−1 · mol−1
- ^ ΔfH°, -754.04 kJ · mol−1
- ^ ΔfH°, -1139.7 kJ · mol−1
- ^ ΔfG°, -1054.3 kJ · mol−1
- ^ S°, 204.47 J · K−1 · mol−1
- ^ Cp°, 123.85 J · K−1 · mol−1
- ^ ΔfH°, -1193.70 kJ · mol−1
- ^ ΔfG°, -1111.85 kJ · mol−1
- ^ S°, 209.2 J · K−1 · mol−1
- ^ ΔfH°, -2048.1 kJ · mol−1
- ^ ΔfH°, -569.0 kJ · mol−1
- ^ ΔfG°, -486.5 kJ · mol−1
- ^ S°, 88. J · K−1 · mol−1
- ^ ΔfH°, -372. kJ · mol−1