FeBr2 + Cs2CO3 💧→ FeCO3↓ + 2CsBr
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The reaction of iron(II) bromide and caesium carbonate yields iron(II) carbonate and caesium bromide. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of iron(II) bromide and caesium carbonate
General equation
- Precipitation reaction
- Miscible with water/Very soluble in water/Soluble in waterLewis acid + Miscible with water/Very soluble in water/Soluble in waterLewis base💧⟶ Insoluble in water/Very slightly soluble in water/Slightly soluble in waterLewis conjugate + Product(Non-redox product)
Oxidation state of each atom
- Reaction of iron(II) bromide and caesium carbonate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| FeBr2 | Iron(II) bromide | 1 | Lewis acid | Very soluble in water |
| Cs2CO3 | Caesium carbonate | 1 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| FeCO3 | Iron(II) carbonate | 1 | Lewis conjugate | Very slightly soluble in water |
| CsBr | Caesium bromide | 2 | Non-redox product | – |
Thermodynamic changes
Changes in standard condition
- Reaction of iron(II) bromide and caesium carbonate◆
ΔrG −157.1 kJ/mol K 3.33 × 1027 pK −27.52
| 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 | −162.7 | −157.1 | −26.1 | – |
per 1 mol of | −162.7 | −157.1 | −26.1 | – |
per 1 mol of | −162.7 | −157.1 | −26.1 | – |
per 1 mol of | −162.7 | −157.1 | −26.1 | – |
per 1 mol of | −81.35 | −78.55 | −13.1 | – |
Changes in aqueous solution
- Reaction of iron(II) bromide and caesium carbonate◆
ΔrG −59.95 kJ/mol K 3.18 × 1010 pK −10.50
| 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 | 25.7 | −59.95 | 287.5 | – |
per 1 mol of | 25.7 | −59.95 | 287.5 | – |
per 1 mol of | 25.7 | −59.95 | 287.5 | – |
per 1 mol of | 25.7 | −59.95 | 287.5 | – |
per 1 mol of | 12.8 | −29.98 | 143.8 | – |
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 |
|---|---|---|---|---|
| FeBr2 (cr) | -249.8[1] | -238.1[1] | 140.6[1] | – |
| FeBr2 (g) | -46[1] | – | – | – |
| FeBr2 (ai) | -332.2[1] | -286.81[1] | 27.2[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] | – | – | – |
* (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 |
|---|---|---|---|---|
| FeCO3 (cr) siderite | -740.57[1] | -666.67[1] | 92.9[1] | 82.13[1] |
| CsBr (cr) | -405.81[1] | -391.41[1] | 113.05[1] | 52.93[1] |
| CsBr (g) | -209.2[1] | -241.0[1] | 267.43[1] | 37.07[1] |
| CsBr (ai) | -379.82[1] | -395.97[1] | 215.48[1] | – |
* (cr):Crystalline solid, (g):Gas, (ai):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°, -249.8 kJ · mol−1
- ^ ΔfG°, -238.1 kJ · mol−1
- ^ S°, 140.6 J · K−1 · mol−1
- ^ ΔfH°, -46. kJ · mol−1
- ^ ΔfH°, -332.2 kJ · mol−1
- ^ ΔfG°, -286.81 kJ · mol−1
- ^ S°, 27.2 J · K−1 · 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°, -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°, -405.81 kJ · mol−1
- ^ ΔfG°, -391.41 kJ · mol−1
- ^ S°, 113.05 J · K−1 · mol−1
- ^ Cp°, 52.93 J · K−1 · mol−1
- ^ ΔfH°, -209.2 kJ · mol−1
- ^ ΔfG°, -241.0 kJ · mol−1
- ^ S°, 267.43 J · K−1 · mol−1
- ^ Cp°, 37.07 J · K−1 · mol−1
- ^ ΔfH°, -379.82 kJ · mol−1
- ^ ΔfG°, -395.97 kJ · mol−1
- ^ S°, 215.48 J · K−1 · mol−1