2RbCl + H2SO4 → Rb2SO4 + 2HCl↑
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The reaction of rubidium chloride and sulfuric acid yields rubidium sulfate and hydrogen chloride. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of rubidium chloride and sulfuric acid
General equation
- Salt of volatile acidBrønsted base + Nonvolatile acidBrønsted acid ⟶ Salt of non volatile acidConjugate base + Volatile acidConjugate acid
Oxidation state of each atom
- Reaction of rubidium chloride and sulfuric acid
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| RbCl | Rubidium chloride | 2 | Brønsted base | Salt of volatile acid |
| H2SO4 | Sulfuric acid | 1 | Brønsted acid | Nonvolatile acid |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Rb2SO4 | Rubidium sulfate | 1 | Conjugate base | Salt of non volatile acid |
| HCl | Hydrogen chloride | 2 | Conjugate acid | Volatile acid |
Thermodynamic changes
Changes in standard condition
- Reaction of rubidium chloride and sulfuric acid◆
ΔrG −1.89 kJ/mol K 2.14 × 100 pK −0.33
| 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 | 64.47 | −1.89 | 222.55 | −51.37 |
per 1 mol of | 32.23 | −0.945 | 111.28 | −25.68 |
per 1 mol of | 64.47 | −1.89 | 222.55 | −51.37 |
per 1 mol of | 64.47 | −1.89 | 222.55 | −51.37 |
per 1 mol of | 32.23 | −0.945 | 111.28 | −25.68 |
Changes in aqueous solution (1)
- Reaction of rubidium chloride and sulfuric acid◆
ΔrG 71.83 kJ/mol K 0.26 × 10−12 pK 12.58
| 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 | 149.70 | 71.83 | 260.9 | – |
per 1 mol of | 74.850 | 35.91 | 130.4 | – |
per 1 mol of | 149.70 | 71.83 | 260.9 | – |
per 1 mol of | 149.70 | 71.83 | 260.9 | – |
per 1 mol of | 74.850 | 35.91 | 130.4 | – |
Changes in aqueous solution (2)
- Reaction of rubidium chloride and sulfuric acid◆
ΔrG −0.03 kJ/mol K 1.01 × 100 pK −0.01
| 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 | −0.01 | −0.03 | 0.1 | – |
per 1 mol of | −0.00500 | −0.0150 | 0.050 | – |
per 1 mol of | −0.0100 | −0.0300 | 0.10 | – |
per 1 mol of | −0.0100 | −0.0300 | 0.10 | – |
per 1 mol of | −0.00500 | −0.0150 | 0.050 | – |
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 |
|---|---|---|---|---|
| RbCl (cr) | -435.35[1] | -407.80[1] | 95.90[1] | 52.38[1] |
| RbCl (g) | -228.9[1] | -247.3[1] | 249.56[1] | 36.82[1] |
| RbCl (ai) | -418.32[1] | -415.20[1] | 177.99[1] | – |
| H2SO4 (cr) | – | – | – | – |
| H2SO4 (l) | -813.989[1] | -690.003[1] | 156.904[1] | 138.91[1] |
| H2SO4 (ai) | -909.27[1] | -744.53[1] | 20.1[1] | -293[1] |
| H2SO4 (l) 1 hydrate | -1127.621[1] | -950.383[1] | 211.54[1] | 214.85[1] |
| H2SO4 (l) 2 hydrate | -1427.100[1] | -1199.650[1] | 276.40[1] | 260.83[1] |
| H2SO4 (l) 3 hydrate | -1720.402[1] | -1443.980[1] | 345.39[1] | 318.95[1] |
| H2SO4 (l) 4 hydrate | -2011.199[1] | -1685.863[1] | 414.59[1] | 382.21[1] |
| H2SO4 (l) 6.5 hydrate | -2733.256[1] | -2285.734[1] | 587.89[1] | 570.28[1] |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (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 |
|---|---|---|---|---|
| Rb2SO4 (cr) | -1435.61[1] | -1316.89[1] | 197.44[1] | 134.06[1] |
| Rb2SO4 (g) | -1068.6[1] | – | – | – |
| Rb2SO4 (ai) | -1411.60[1] | -1312.50[1] | 263.2[1] | – |
| HCl (g) | -92.307[1] | -95.299[1] | 186.908[1] | 29.12[1] |
| HCl (ai) | -167.159[1] | -131.228[1] | 56.5[1] | -136.4[1] |
* (cr):Crystalline solid, (g):Gas, (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°, -435.35 kJ · mol−1
- ^ ΔfG°, -407.80 kJ · mol−1
- ^ S°, 95.90 J · K−1 · mol−1
- ^ Cp°, 52.38 J · K−1 · mol−1
- ^ ΔfH°, -228.9 kJ · mol−1
- ^ ΔfG°, -247.3 kJ · mol−1
- ^ S°, 249.56 J · K−1 · mol−1
- ^ Cp°, 36.82 J · K−1 · mol−1
- ^ ΔfH°, -418.32 kJ · mol−1
- ^ ΔfG°, -415.20 kJ · mol−1
- ^ S°, 177.99 J · K−1 · mol−1
- ^ ΔfH°, -813.989 kJ · mol−1
- ^ ΔfG°, -690.003 kJ · mol−1
- ^ S°, 156.904 J · K−1 · mol−1
- ^ Cp°, 138.91 J · K−1 · mol−1
- ^ ΔfH°, -909.27 kJ · mol−1
- ^ ΔfG°, -744.53 kJ · mol−1
- ^ S°, 20.1 J · K−1 · mol−1
- ^ Cp°, -293. J · K−1 · mol−1
- ^ ΔfH°, -1127.621 kJ · mol−1
- ^ ΔfG°, -950.383 kJ · mol−1
- ^ S°, 211.54 J · K−1 · mol−1
- ^ Cp°, 214.85 J · K−1 · mol−1
- ^ ΔfH°, -1427.100 kJ · mol−1
- ^ ΔfG°, -1199.650 kJ · mol−1
- ^ S°, 276.40 J · K−1 · mol−1
- ^ Cp°, 260.83 J · K−1 · mol−1
- ^ ΔfH°, -1720.402 kJ · mol−1
- ^ ΔfG°, -1443.980 kJ · mol−1
- ^ S°, 345.39 J · K−1 · mol−1
- ^ Cp°, 318.95 J · K−1 · mol−1
- ^ ΔfH°, -2011.199 kJ · mol−1
- ^ ΔfG°, -1685.863 kJ · mol−1
- ^ S°, 414.59 J · K−1 · mol−1
- ^ Cp°, 382.21 J · K−1 · mol−1
- ^ ΔfH°, -2733.256 kJ · mol−1
- ^ ΔfG°, -2285.734 kJ · mol−1
- ^ S°, 587.89 J · K−1 · mol−1
- ^ Cp°, 570.28 J · K−1 · mol−1
- ^ ΔfH°, -1435.61 kJ · mol−1
- ^ ΔfG°, -1316.89 kJ · mol−1
- ^ S°, 197.44 J · K−1 · mol−1
- ^ Cp°, 134.06 J · K−1 · mol−1
- ^ ΔfH°, -1068.6 kJ · mol−1
- ^ ΔfH°, -1411.60 kJ · mol−1
- ^ ΔfG°, -1312.50 kJ · mol−1
- ^ S°, 263.2 J · K−1 · mol−1
- ^ ΔfH°, -92.307 kJ · mol−1
- ^ ΔfG°, -95.299 kJ · mol−1
- ^ S°, 186.908 J · K−1 · mol−1
- ^ Cp°, 29.12 J · K−1 · mol−1
- ^ ΔfH°, -167.159 kJ · mol−1
- ^ ΔfG°, -131.228 kJ · mol−1
- ^ S°, 56.5 J · K−1 · mol−1
- ^ Cp°, -136.4 J · K−1 · mol−1