CH3CHO + H2 → C2H5OH
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The reaction of and yields . This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
General equation
- Hydrogenation of aldehyde
- AldehydeOxidizing agent + Reducing agentNi|Pd|Pt⟶AlcoholOxidation reduction product
Oxidation state of each atom
Reactants
Products
Thermodynamic changes
Changes in standard condition
| 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 | −85.39 | −46.66 | −130.2 | – |
| −85.39 | −46.66 | −130.2 | – | |
| −85.39 | −46.66 | −130.2 | – | |
| −85.39 | −46.66 | −130.2 | – |
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 |
|---|---|---|---|---|
| (l) | -192.30[1] | -128.12[1] | 160.2[1] | – |
| (g) | -155.69[1] | -132.86[1] | 263.8[1] | 55.30[1] |
| (g) | 0[1] | 0[1] | 130.684[1] | 28.824[1] |
| (ao) | -4.2[1] | 17.6[1] | 577[1] | – |
* (l):Liquid, (g):Gas, (ao):Un-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 |
|---|---|---|---|---|
| (l) | -277.69[1] | -174.78[1] | 160.7[1] | 111.46[1] |
| (g) | -235.10[1] | -168.49[1] | 282.70[1] | 65.44[1] |
| (ao) | -288.3[1] | -181.64[1] | 148.5[1] | – |
* (l):Liquid, (g):Gas, (ao):Un-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°, -192.30 kJ · mol−1
- ^ ΔfG°, -128.12 kJ · mol−1
- ^ S°, 160.2 J · K−1 · mol−1
- ^ ΔfH°, -155.69 kJ · mol−1
- ^ ΔfG°, -132.86 kJ · mol−1
- ^ S°, 263.8 J · K−1 · mol−1
- ^ Cp°, 55.30 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 130.684 J · K−1 · mol−1
- ^ Cp°, 28.824 J · K−1 · mol−1
- ^ ΔfH°, -4.2 kJ · mol−1
- ^ ΔfG°, 17.6 kJ · mol−1
- ^ S°, 577 J · K−1 · mol−1
- ^ ΔfH°, -277.69 kJ · mol−1
- ^ ΔfG°, -174.78 kJ · mol−1
- ^ S°, 160.7 J · K−1 · mol−1
- ^ Cp°, 111.46 J · K−1 · mol−1
- ^ ΔfH°, -235.10 kJ · mol−1
- ^ ΔfG°, -168.49 kJ · mol−1
- ^ S°, 282.70 J · K−1 · mol−1
- ^ Cp°, 65.44 J · K−1 · mol−1
- ^ ΔfH°, -288.3 kJ · mol−1
- ^ ΔfG°, -181.64 kJ · mol−1
- ^ S°, 148.5 J · K−1 · mol−1