8NO + 3H4SiO4 ๐ฅโ 3NH4NO3 + N2O5 + 3SiO2
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- Reaction of nitrogen monoxide and silicic acid
- 8NONitrogen monoxide + 3H4SiO4Silicic acid3NH4NO3Ammonium nitrate + N2O5Dinitrogen pentaoxide + 3SiO2Silicon dioxide๐ฅโถ
The reaction of nitrogen monoxide and silicic acid yields ammonium nitrate, dinitrogen pentaoxide, and silicon dioxide (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 nitrogen monoxide and silicic acid
- 8NONitrogen monoxide + 3H4SiO4Silicic acid3NH4NO3Ammonium nitrate + N2O5Dinitrogen pentaoxide + 3SiO2Silicon dioxide๐ฅโถ
General equation
- Reaction of self redoxing species and acid
- Self-redoxing speciesSelf redox agent + AcidNon-redox agent โถ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of nitrogen monoxide and silicic acid
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NO | Nitrogen monoxide | 8 | โ | Self redoxing |
| H4SiO4 | Silicic acid | 3 | โ | Acid |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NH4NO3 | Ammonium nitrate | 3 | Redoxed product | โ |
| N2O5 | Dinitrogen pentaoxide | 1 | Oxidized | โ |
| SiO2 | Silicon dioxide | 3 | โ | โ |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of nitrogen monoxide and silicic acidโ
ฮrG 298.7 kJ/mol K 0.47 ร 10โ52 pK 52.33
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | โ151.3 | 298.7 | โ1505 | โ |
per 1 mol of | โ18.91 | 37.34 | โ188.1 | โ |
per 1 mol of Silicic acid | โ50.43 | 99.57 | โ501.7 | โ |
per 1 mol of | โ50.43 | 99.57 | โ501.7 | โ |
per 1 mol of | โ151.3 | 298.7 | โ1505 | โ |
per 1 mol of | โ50.43 | 99.57 | โ501.7 | โ |
Changes in standard condition (2)
- Reaction of nitrogen monoxide and silicic acidโ
ฮrG 302.3 kJ/mol K 0.11 ร 10โ52 pK 52.96
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | โ146.9 | 302.3 | โ1503 | โ |
per 1 mol of | โ18.36 | 37.79 | โ187.9 | โ |
per 1 mol of Silicic acid | โ48.97 | 100.8 | โ501.0 | โ |
per 1 mol of | โ48.97 | 100.8 | โ501.0 | โ |
per 1 mol of | โ146.9 | 302.3 | โ1503 | โ |
per 1 mol of | โ48.97 | 100.8 | โ501.0 | โ |
Changes in standard condition (3)
- Reaction of nitrogen monoxide and silicic acidโ
ฮrG 302.8 kJ/mol K 0.89 ร 10โ53 pK 53.05
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | โ145.7 | 302.8 | โ1500 | โ |
per 1 mol of | โ18.21 | 37.85 | โ187.5 | โ |
per 1 mol of Silicic acid | โ48.57 | 100.9 | โ500.0 | โ |
per 1 mol of | โ48.57 | 100.9 | โ500.0 | โ |
per 1 mol of | โ145.7 | 302.8 | โ1500 | โ |
per 1 mol of | โ48.57 | 100.9 | โ500.0 | โ |
Changes in standard condition (4)
- Reaction of nitrogen monoxide and silicic acidโ
ฮrG 316.5 kJ/mol K 0.36 ร 10โ55 pK 55.45
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | โ129.0 | 316.5 | โ1490 | โ |
per 1 mol of | โ16.13 | 39.56 | โ186.3 | โ |
per 1 mol of Silicic acid | โ43.00 | 105.5 | โ496.7 | โ |
per 1 mol of | โ43.00 | 105.5 | โ496.7 | โ |
per 1 mol of | โ129.0 | 316.5 | โ1490 | โ |
per 1 mol of | โ43.00 | 105.5 | โ496.7 | โ |
Changes in aqueous solution
- Reaction of nitrogen monoxide and silicic acid
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | โ69.9 | โ | โ | โ |
per 1 mol of | โ8.74 | โ | โ | โ |
per 1 mol of Silicic acid | โ23.3 | โ | โ | โ |
per 1 mol of | โ23.3 | โ | โ | โ |
per 1 mol of | โ69.9 | โ | โ | โ |
per 1 mol of | โ23.3 | โ | โ | โ |
Thermodynamic data of reactants
| Chemical formula | Standard enthalpy of formation ฮfHยฐ kJ ยท molโ1 | Standard Gibbs energy of formation ฮfGยฐ kJ ยท molโ1 | Standard molar entropy Sยฐ J ยท Kโ1 ยท molโ1 | Standard molar heat capacity at constant pressure Cpยฐ J ยท Kโ1 ยท molโ1 |
|---|---|---|---|---|
| NO (g) | 90.25[1] | 86.55[1] | 210.761[1] | 29.844[1] |
| H4SiO4 (cr) | -1481.1[1] | -1332.9[1] | 192[1] | โ |
| H4SiO4 (ao) | -1468.6[1] | -1316.6[1] | 180[1] | โ |
* (g):Gas, (cr):Crystalline solid, (ao):Un-ionized aqueous solution
Thermodynamic data of products
| Chemical formula | Standard enthalpy of formation ฮfHยฐ kJ ยท molโ1 | Standard Gibbs energy of formation ฮfGยฐ kJ ยท molโ1 | Standard molar entropy Sยฐ J ยท Kโ1 ยท molโ1 | Standard molar heat capacity at constant pressure Cpยฐ J ยท Kโ1 ยท molโ1 |
|---|---|---|---|---|
| NH4NO3 (cr) | -365.56[1] | -183.87[1] | 151.08[1] | 139.3[1] |
| NH4NO3 (ai) | -339.87[1] | -190.56[1] | 259.8[1] | -6.7[1] |
| N2O5 (cr) | -43.1[1] | 113.9[1] | 178.2[1] | 143.1[1] |
| N2O5 (g) | 11.3[1] | 115.1[1] | 355.7[1] | 84.5[1] |
| SiO2 (cr) ฮฑ-quartz | -910.94[1] | -856.64[1] | 41.84[1] | 44.43[1] |
| SiO2 (cr) ฮฑ-cristobalite | -909.48[1] | -855.43[1] | 42.68[1] | 44.18[1] |
| SiO2 (cr) ฮฑ-tridymite | -909.06[1] | -855.26[1] | 43.5[1] | 44.60[1] |
| SiO2 (am) | -903.49[1] | -850.70[1] | 46.9[1] | 44.4[1] |
| SiO2 (g) | -322[1] | โ | โ | โ |
| SiO2 (ao) | -897.0[1] | โ | โ | โ |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas, (am):Amorphous solid, (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)
- ^ ฮfHยฐ, 90.25 kJ ยท molโ1
- ^ ฮfGยฐ, 86.55 kJ ยท molโ1
- ^ Sยฐ, 210.761 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 29.844 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1481.1 kJ ยท molโ1
- ^ ฮfGยฐ, -1332.9 kJ ยท molโ1
- ^ Sยฐ, 192. J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1468.6 kJ ยท molโ1
- ^ ฮfGยฐ, -1316.6 kJ ยท molโ1
- ^ Sยฐ, 180. J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -365.56 kJ ยท molโ1
- ^ ฮfGยฐ, -183.87 kJ ยท molโ1
- ^ Sยฐ, 151.08 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 139.3 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -339.87 kJ ยท molโ1
- ^ ฮfGยฐ, -190.56 kJ ยท molโ1
- ^ Sยฐ, 259.8 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, -6.7 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -43.1 kJ ยท molโ1
- ^ ฮfGยฐ, 113.9 kJ ยท molโ1
- ^ Sยฐ, 178.2 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 143.1 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, 11.3 kJ ยท molโ1
- ^ ฮfGยฐ, 115.1 kJ ยท molโ1
- ^ Sยฐ, 355.7 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 84.5 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -910.94 kJ ยท molโ1
- ^ ฮfGยฐ, -856.64 kJ ยท molโ1
- ^ Sยฐ, 41.84 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 44.43 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -909.48 kJ ยท molโ1
- ^ ฮfGยฐ, -855.43 kJ ยท molโ1
- ^ Sยฐ, 42.68 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 44.18 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -909.06 kJ ยท molโ1
- ^ ฮfGยฐ, -855.26 kJ ยท molโ1
- ^ Sยฐ, 43.5 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 44.60 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -903.49 kJ ยท molโ1
- ^ ฮfGยฐ, -850.70 kJ ยท molโ1
- ^ Sยฐ, 46.9 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 44.4 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -322. kJ ยท molโ1
- ^ ฮfHยฐ, -897.0 kJ ยท molโ1