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4RbCl + 14HNO3 🔥→ 4RbNO3 + 4ClO2↑ + 5N2O3↑ + 7H2O

The reaction of rubidium chloride and nitric acid yields rubidium nitrate, chlorine dioxide, dinitrogen trioxide, and water (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related reactions
  5. 5Related categories

Reaction data

Chemical equation

General equation

Reaction of hardly oxidizable species and oxidizing species
Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
RbClRubidium chloride4
Reducing
Hardly oxidizable
HNO3Nitric acid14
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
RbNO3Rubidium nitrate4
ClO2Chlorine dioxide4
Oxidized
N2O3Dinitrogen trioxide5
Reduced
H2OWater7

Thermodynamic changes

Changes in standard condition

Reaction of rubidium chloride and nitric acid
ΔrG697.4 kJ/mol
K0.66 × 10−122
pK122.18
4RbClCrystalline solid + 14HNO3Liquid
🔥
4RbNO3Crystalline solid + 4ClO2Gas + 5N2O3Gas + 7H2OLiquid
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
1026.4697.41105.3−316.3
per 1 mol of
256.60174.3276.32−79.08
per 1 mol of
73.31449.8178.950−22.59
per 1 mol of
256.60174.3276.32−79.08
per 1 mol of
256.60174.3276.32−79.08
205.28139.5221.06−63.26
per 1 mol of
146.6399.63157.90−45.19

Changes in aqueous solution (1)

Reaction of rubidium chloride and nitric acid
ΔrG1156.7 kJ/mol
K0.23 × 10−202
pK202.65
4RbClIonized aqueous solution + 14HNO3Ionized aqueous solution
🔥
4RbNO3Ionized aqueous solution + 4ClO2Gas + 5N2O3Gas + 7H2OLiquid
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
1570.01156.71387.8
per 1 mol of
392.50289.18346.95
per 1 mol of
112.1482.62199.129
per 1 mol of
392.50289.18346.95
per 1 mol of
392.50289.18346.95
314.00231.34277.56
per 1 mol of
224.29165.24198.26

Changes in aqueous solution (2)

Reaction of rubidium chloride and nitric acid
ΔrG1155.1 kJ/mol
K0.43 × 10−202
pK202.36
4RbClIonized aqueous solution + 14HNO3Ionized aqueous solution
🔥
4RbNO3Ionized aqueous solution + 4ClO2Un-ionized aqueous solution + 5N2O3Gas + 7H2OLiquid
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
1459.61155.11019.6
per 1 mol of
364.90288.77254.90
per 1 mol of
104.2682.50772.829
per 1 mol of
364.90288.77254.90
per 1 mol of
364.90288.77254.90
291.92231.02203.92
per 1 mol of
208.51165.01145.66

Thermodynamic data of reactants

Chemical formulaStandard 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]
HNO3 (l)-174.10[1]-80.71[1]155.60[1]109.87[1]
HNO3 (g)-135.06[1]-74.72[1]266.38[1]53.35[1]
HNO3 (ai)-207.36[1]-111.25[1]146.4[1]-86.6[1]
HNO3 (l)
1 hydrate
-473.46[1]-328.77[1]216.90[1]182.46[1]
HNO3 (l)
3 hydrate
-1056.04[1]-811.09[1]346.98[1]325.14[1]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (l):Liquid

Thermodynamic data of products

Chemical formulaStandard 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
RbNO3 (cr)-495.05[1]-395.78[1]147.3[1]102.1[1]
RbNO3 (ai)-458.52[1]-395.24[1]267.8[1]
ClO2 (g)102.5[1]120.5[1]256.84[1]41.97[1]
ClO2 (ao)74.9[1]120.1[1]164.8[1]
N2O3 (l)50.29[1]
N2O3 (g)83.72[1]139.46[1]312.28[1]65.61[1]
H2O (cr)
H2O (l)-285.830[1]-237.129[1]69.91[1]75.291[1]
H2O (g)-241.818[1]-228.572[1]188.825[1]33.577[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas, (ao):Un-ionized aqueous solution, (l):Liquid

References

List of references

  1. 1
    Janiel J. Reed (1989)
    The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units
    National Institute of Standards and Technology (NIST)