C3H7COOH → H+ + C3H7COO−
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- Electrolytic dissociation of butanoic acid
Electrolytic dissociation of butanoic acid yields hydrogen ion and butanoate ion. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Electrolytic dissociation of butanoic acid
General equation
- Electrolytic dissociation of acid
- AcidBrønsted acid ⟶ H+ + AnionConjugate base
Oxidation state of each atom
- Electrolytic dissociation of butanoic acid
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| C3H7COOH | Butanoic acid | 1 | Brønsted acid | Acid |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| H+ | Hydrogen ion | 1 | – | Hydrogen ion |
| C3H7COO− | Butanoate ion | 1 | Conjugate base | Anion |
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 |
|---|---|---|---|---|
| C3H7COOH (l) | -533.8[1] | -377.7[1] | 222.2[1] | 178.6[1] |
* (l):Liquid
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 |
|---|---|---|---|---|
| H+ (g) | 1536.202[2] | – | – | – |
| H+ (ao) | 0[2] | 0[2] | 0[2] | 0[2] |
| C3H7COO− | – | – | – | – |
* (g):Gas, (ao):Un-ionized aqueous solution
References
List of references
- 1James G. Speight (2017)Lange's Handbook of Chemistry, 17th editionMcGraw Hill Education
- ^ ΔfH°, -533.8 kJ · mol−1 - p.950
- ^ ΔfG°, -377.7 kJ · mol−1 - p.950
- ^ S°, 222.2 J · K−1 · mol−1 - p.950
- ^ Cp°, 178.6 J · K−1 · mol−1 - p.950
- 2Janiel 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)