CdSO4 + 2NH4HCO3 ๐งโ CdCO3โ + (NH4)2SO4 + H2CO3
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The reaction of cadmium sulfate and ammonium hydrogencarbonate yields cadmium carbonate, ammonium sulfate, and carbonic acid (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 cadmium sulfate and ammonium hydrogencarbonate
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 base๐งโถ Insoluble in water/Very slightly soluble in water/Slightly soluble in waterLewis conjugate + Product(Non-redox product)
Oxidation state of each atom
- Reaction of cadmium sulfate and ammonium hydrogencarbonate
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CdSO4 | Cadmium sulfate | 1 | Lewis acid | Very soluble in water |
NH4HCO3 | Ammonium hydrogencarbonate | 2 | Lewis base | Soluble in water |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CdCO3 | Cadmium carbonate | 1 | Lewis conjugate | Insoluble in water |
(NH4)2SO4 | Ammonium sulfate | 1 | Non-redox product | โ |
H2CO3 | Carbonic acid | 1 | Non-redox product | โ |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of cadmium sulfate and ammonium hydrogencarbonateโ
ฮrG โ40.8 kJ/mol K 1.41 ร 107 pK โ7.15
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 | โ42.3 | โ40.8 | โ5.4 | โ |
per 1 mol of | โ42.3 | โ40.8 | โ5.4 | โ |
per 1 mol of | โ21.1 | โ20.4 | โ2.7 | โ |
per 1 mol of | โ42.3 | โ40.8 | โ5.4 | โ |
per 1 mol of | โ42.3 | โ40.8 | โ5.4 | โ |
per 1 mol of | โ42.3 | โ40.8 | โ5.4 | โ |
Changes in standard condition (2)
- Reaction of cadmium sulfate and ammonium hydrogencarbonate
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 | โ47.8 | โ | โ | โ |
per 1 mol of | โ47.8 | โ | โ | โ |
per 1 mol of | โ23.9 | โ | โ | โ |
per 1 mol of | โ47.8 | โ | โ | โ |
per 1 mol of | โ47.8 | โ | โ | โ |
per 1 mol of | โ47.8 | 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 |
---|---|---|---|---|
CdSO4 (cr) | -933.28[1] | -822.72[1] | 123.039[1] | 99.58[1] |
CdSO4 (ai) | -985.16[1] | -822.13[1] | -53.1[1] | โ |
CdSO4 (cr) 1 hydrate | -1239.55[1] | -1068.73[1] | 154.030[1] | 134.56[1] |
CdSO4 (cr) 8/3 hydrate | -1729.4[1] | -1465.141[1] | 229.630[1] | 213.26[1] |
NH4HCO3 (cr) | -849.4[1] | -665.9[1] | 120.9[1] | โ |
NH4HCO3 (ai) | -824.50[1] | -666.07[1] | 204.6[1] | โ |
NH4HCO3 (aq) | -821.7[1] | โ | โ | โ |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (aq):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 |
---|---|---|---|---|
CdCO3 (cr) | -750.6[1] | -669.4[1] | 92.5[1] | โ |
(NH4)2SO4 (cr) | -1180.85[1] | -901.67[1] | 220.1[1] | 187.49[1] |
(NH4)2SO4 (ai) | -1174.28[1] | -903.14[1] | 246.9[1] | -133.1[1] |
H2CO3 (ao) | -699.65[1] | -623.08[1] | 187.4[1] | โ |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (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, -933.28 kJ ยท molโ1
- ^ ฮfGยฐ, -822.72 kJ ยท molโ1
- ^ Sยฐ, 123.039 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 99.58 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -985.16 kJ ยท molโ1
- ^ ฮfGยฐ, -822.13 kJ ยท molโ1
- ^ Sยฐ, -53.1 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1239.55 kJ ยท molโ1
- ^ ฮfGยฐ, -1068.73 kJ ยท molโ1
- ^ Sยฐ, 154.030 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 134.56 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1729.4 kJ ยท molโ1
- ^ ฮfGยฐ, -1465.141 kJ ยท molโ1
- ^ Sยฐ, 229.630 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 213.26 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -849.4 kJ ยท molโ1
- ^ ฮfGยฐ, -665.9 kJ ยท molโ1
- ^ Sยฐ, 120.9 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -824.50 kJ ยท molโ1
- ^ ฮfGยฐ, -666.07 kJ ยท molโ1
- ^ Sยฐ, 204.6 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -821.7 kJ ยท molโ1
- ^ ฮfHยฐ, -750.6 kJ ยท molโ1
- ^ ฮfGยฐ, -669.4 kJ ยท molโ1
- ^ Sยฐ, 92.5 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1180.85 kJ ยท molโ1
- ^ ฮfGยฐ, -901.67 kJ ยท molโ1
- ^ Sยฐ, 220.1 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 187.49 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1174.28 kJ ยท molโ1
- ^ ฮfGยฐ, -903.14 kJ ยท molโ1
- ^ Sยฐ, 246.9 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, -133.1 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -699.65 kJ ยท molโ1
- ^ ฮfGยฐ, -623.08 kJ ยท molโ1
- ^ Sยฐ, 187.4 J ยท Kโ1 ยท molโ1