2MnHCO3+ + 3H2O → Mn2(OH)3+ + 2CO32− + 5H+
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The reaction of manganese(II) hydrogencarbonate ion and water yields dimanganese(II) trihydroxide ion, carbonate ion, and hydrogen ion (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of manganese(II) hydrogencarbonate ion and water
General equation
- Cation/AnionBrønsted acid + H2OBrønsted base ⟶ Proton accepting ion/BaseConjugate base + H+Conjugate acid
Oxidation state of each atom
- Reaction of manganese(II) hydrogencarbonate ion and water
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
MnHCO3+ | Manganese(II) hydrogencarbonate ion | 2 | Brønsted acid | Cation |
H2O | Water | 3 | Brønsted base | Water |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
Mn2(OH)3+ | Dimanganese(II) trihydroxide ion | 1 | Conjugate base | Proton accepting ion |
CO32− | Carbonate ion | 2 | Conjugate base | Proton accepting ion |
H+ | Hydrogen ion | 5 | Conjugate acid | Hydrogen ion |
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 |
---|---|---|---|---|
MnHCO3+ (ao) | – | -820[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] |
* (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (l):Liquid, (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 |
---|---|---|---|---|
Mn2(OH)3+ | – | – | – | – |
CO32− (ao) | -677.14[1] | -527.81[1] | -56.9[1] | – |
H+ (g) | 1536.202[1] | – | – | – |
H+ (ao) | 0[1] | 0[1] | 0[1] | 0[1] |
* (ao):Un-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)
- ^ ΔfG°, -820. kJ · 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
- ^ ΔfH°, -677.14 kJ · mol−1
- ^ ΔfG°, -527.81 kJ · mol−1
- ^ S°, -56.9 J · K−1 · mol−1
- ^ ΔfH°, 1536.202 kJ · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 0 J · K−1 · mol−1
- ^ Cp°, 0 J · K−1 · mol−1