You-iggy

6Mg(HCO3)2 + 3(NH4)2B4O7 💧→ 6MgCO3↓ + 6NH4HCO3 + 2H3BO3 + 5B2O3

The reaction of magnesium hydrogencarbonate and ammonium tetraborate yields magnesium carbonate, ammonium hydrogencarbonate, boric acid, and diboron trioxide (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related reactions
  5. 5Related categories

Reaction data

Chemical equation

General equation

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Mg(HCO3)2Magnesium hydrogencarbonate6
Lewis acid
Soluble in water
(NH4)2B4O7Ammonium tetraborate3
Lewis base
Soluble in water

Products

Chemical formulaNameCoefficientTypeType in general
equation
MgCO3Magnesium carbonate6
Lewis conjugate
Very slightly soluble in water
NH4HCO3Ammonium hydrogencarbonate6
Non-redox product
H3BO3Boric acid2
Non-redox product
B2O3Diboron trioxide5
Non-redox product

Thermodynamic changes

Thermodynamic data of reactants

Chemical formulaStandard 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
Mg(HCO3)2
(NH4)2B4O7

Thermodynamic data of products

Chemical formulaStandard 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
MgCO3 (cr)-1095.8[1]-1012.1[1]65.7[1]75.52[1]
MgCO3 (cr)
3 hydrate
-1726.1[1]
MgCO3 (cr)
5 hydrate
-2199.2[1]
NH4HCO3 (cr)-849.4[1]-665.9[1]120.9[1]
NH4HCO3 (ai)-824.50[1]-666.07[1]204.6[1]
NH4HCO3 (aq)-821.7[1]
H3BO3 (cr)-1094.33[1]-968.92[1]88.83[1]81.38[1]
H3BO3 (g)-994.1[1]
H3BO3 (ao)-1072.32[1]-968.75[1]162.3[1]
B2O3 (cr)-1272.77[1]-1193.65[1]53.97[1]62.93[1]
B2O3 (am)-1254.53[1]-1182.3[1]77.8[1]61.1[1]
B2O3 (g)-843.79[1]-831.97[1]279.81[1]66.86[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (aq):Aqueous solution, (g):Gas, (ao):Un-ionized aqueous solution, (am):Amorphous solid

References

List of references

  1. 1