Cu + NaNO3 → CuO + NaNO2
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- Reaction of and sodium nitrate
The reaction of and sodium nitrate yields copper(II) oxide and sodium nitrite (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of and sodium nitrate
General equation
- Reaction of oxidizable species and oxidizing species
- Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of and sodium nitrate
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
1 | Reducing | Oxidizable | ||
NaNO3 | Sodium nitrate | 1 | Oxidizing | Oxidizing |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CuO | Copper(II) oxide | 1 | Oxidized | – |
NaNO2 | Sodium nitrite | 1 | Reduced | – |
Thermodynamic changes
Changes in standard condition
- Reaction of and sodium nitrate◆
ΔrG −47.3 kJ/mol K 1.93 × 108 pK −8.29
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 | −48.1 | −47.3 | −3.2 | – |
−48.1 | −47.3 | −3.2 | – | |
per 1 mol of | −48.1 | −47.3 | −3.2 | – |
per 1 mol of | −48.1 | −47.3 | −3.2 | – |
per 1 mol of | −48.1 | −47.3 | −3.2 | – |
Changes in aqueous solution
- Reaction of and sodium nitrate◆
ΔrG −50.7 kJ/mol K 7.63 × 108 pK −8.88
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 | −54.6 | −50.7 | −13.9 | 7.1 |
−54.6 | −50.7 | −13.9 | 7.1 | |
per 1 mol of | −54.6 | −50.7 | −13.9 | 7.1 |
per 1 mol of | −54.6 | −50.7 | −13.9 | 7.1 |
per 1 mol of | −54.6 | −50.7 | −13.9 | 7.1 |
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 |
---|---|---|---|---|
(cr) | 0[1] | 0[1] | 33.150[1] | 24.435[1] |
(g) | 338.32[1] | 298.58[1] | 166.38[1] | 20.786[1] |
NaNO3 (cr) | -467.85[1] | -367.00[1] | 116.52[1] | 92.88[1] |
NaNO3 (ai) | -447.48[1] | -373.15[1] | 205.4[1] | -40.2[1] |
* (cr):Crystalline solid, (g):Gas, (ai):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 |
---|---|---|---|---|
CuO (cr) | -157.3[1] | -129.7[1] | 42.63[1] | 42.30[1] |
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, (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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 33.150 J · K−1 · mol−1
- ^ Cp°, 24.435 J · K−1 · mol−1
- ^ ΔfH°, 338.32 kJ · mol−1
- ^ ΔfG°, 298.58 kJ · mol−1
- ^ S°, 166.38 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, -467.85 kJ · mol−1
- ^ ΔfG°, -367.00 kJ · mol−1
- ^ S°, 116.52 J · K−1 · mol−1
- ^ Cp°, 92.88 J · K−1 · mol−1
- ^ ΔfH°, -447.48 kJ · mol−1
- ^ ΔfG°, -373.15 kJ · mol−1
- ^ S°, 205.4 J · K−1 · mol−1
- ^ Cp°, -40.2 J · K−1 · mol−1
- ^ ΔfH°, -157.3 kJ · mol−1
- ^ ΔfG°, -129.7 kJ · mol−1
- ^ S°, 42.63 J · K−1 · mol−1
- ^ Cp°, 42.30 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