Ca(NO2)2 + C6H5SO3Na 💧→ CaSO3↓ + C6H5NO2↓ + NaNO2
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The reaction of calcium nitrite and sodium benzenesulfonate yields calcium sulfite, , and sodium nitrite (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 calcium nitrite and sodium benzenesulfonate
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 calcium nitrite and sodium benzenesulfonate
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
Ca(NO2)2 | Calcium nitrite | 1 | Lewis acid | Very soluble in water |
C6H5SO3Na | Sodium benzenesulfonate | 1 | Lewis base | Soluble in water |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CaSO3 | Calcium sulfite | 1 | Lewis conjugate | Insoluble in water |
1 | Non-redox product | – | ||
NaNO2 | Sodium nitrite | 1 | Non-redox product | – |
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 |
---|---|---|---|---|
Ca(NO2)2 (cr) | -741.4[1] | – | – | – |
Ca(NO2)2 (cr) 4 hydrate | -1885.7[1] | – | – | – |
C6H5SO3Na | – | – | – | – |
* (cr):Crystalline solid
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 |
---|---|---|---|---|
CaSO3 (cr) | – | – | 101.38[1] | 91.71[1] |
CaSO3 (cr) 0.5 hydrate | -1311.7[1] | -1199.23[1] | 121.3[1] | – |
(l) | 12.5[2] | 146.2[2] | 224.3[2] | 185.8[2] |
NaNO2 (cr) | -358.65[1] | -284.55[1] | 103.8[1] | – |
NaNO2 (ai) | -344.8[1] | -294.1[1] | 182.0[1] | -51.0[1] |
* (cr):Crystalline solid, (l):Liquid, (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°, -741.4 kJ · mol−1
- ^ ΔfH°, -1885.7 kJ · mol−1
- ^ S°, 101.38 J · K−1 · mol−1
- ^ Cp°, 91.71 J · K−1 · mol−1
- ^ ΔfH°, -1311.7 kJ · mol−1
- ^ ΔfG°, -1199.23 kJ · mol−1
- ^ S°, 121.3 J · K−1 · mol−1
- ^ ΔfH°, -358.65 kJ · mol−1
- ^ ΔfG°, -284.55 kJ · mol−1
- ^ S°, 103.8 J · K−1 · mol−1
- ^ ΔfH°, -344.8 kJ · mol−1
- ^ ΔfG°, -294.1 kJ · mol−1
- ^ S°, 182.0 J · K−1 · mol−1
- ^ Cp°, -51.0 J · K−1 · mol−1
- 2James G. Speight (2017)Lange's Handbook of Chemistry, 17th editionMcGraw Hill Education
- ^ ΔfH°, 12.5 kJ · mol−1 - p.977
- ^ ΔfG°, 146.2 kJ · mol−1 - p.977
- ^ S°, 224.3 J · K−1 · mol−1 - p.977
- ^ Cp°, 185.8 J · K−1 · mol−1 - p.977