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5SrS + 18HNO3 → 5Sr(NO3)2 + 5SO3 + 4N2↑ + 9H2O

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Reaction of strontium sulfide and nitric acid
5SrSStrontium sulfide + 18HNO3Nitric acid
⟶
5Sr(NO3)2Strontium nitrate + 5SO3Sulfur trioxide + 4N2↑Nitrogen + 9H2OWater

The reaction of strontium sulfide and nitric acid yields strontium nitrate, sulfur trioxide, nitrogen, 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

Reaction of strontium sulfide and nitric acid
5SrSStrontium sulfide + 18HNO3Nitric acid
⟶
5Sr(NO3)2Strontium nitrate + 5SO3Sulfur trioxide + 4N2↑Nitrogen + 9H2OWater

General equation

Reaction of reducing species and oxidizing species
Reducing speciesReducing agent + Oxidizing speciesOxidizing agent
⟶
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of strontium sulfide and nitric acid

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
SrSStrontium sulfide5
Reducing
Reducing
HNO3Nitric acid18
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
Sr(NO3)2Strontium nitrate5
–
–
SO3Sulfur trioxide5
Oxidized
–
N2Nitrogen4
Reduced
–
H2OWater9
–
–

Thermodynamic changes

Changes in standard condition

Reaction of strontium sulfide and nitric acid
◆
ΔrG−4111.2 kJ/mol
K1.78 × 10720
pK−720.25
5SrSCrystalline solid + 18HNO3Liquid
⟶
5Sr(NO3)2Crystalline solid + 5SO3Liquid + 4N2↑Gas + 9H2OLiquid
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
−4173.0−4111.2−204.4–
per 1 mol of
−834.60−822.24−40.88–
per 1 mol of
−231.83−228.40−11.36–
per 1 mol of
−834.60−822.24−40.88–
per 1 mol of
−834.60−822.24−40.88–
per 1 mol of
−1043.3−1027.8−51.10–
per 1 mol of
−463.67−456.80−22.71–

Changes in aqueous solution

Reaction of strontium sulfide and nitric acid
◆
ΔrG−3573.6 kJ/mol
K1.17 × 10626
pK−626.07
5SrSCrystalline solid + 18HNO3Ionized aqueous solution
⟶
5Sr(NO3)2Ionized aqueous solution + 5SO3Crystalline solidβ + 4N2↑Gas + 9H2OLiquid
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
−3553.1−3573.673.9–
per 1 mol of
−710.62−714.7214.8–
per 1 mol of
−197.39−198.534.11–
per 1 mol of
−710.62−714.7214.8–
per 1 mol of
−710.62−714.7214.8–
per 1 mol of
−888.27−893.4018.5–
per 1 mol of
−394.79−397.078.21–

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
SrS (cr)-472.4[1]-467.8[1]68.2[1]48.70[1]
SrS (g)109[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, (l):Liquid, (ai):Ionized aqueous solution

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
Sr(NO3)2 (cr)-978.22[1]-780.02[1]194.56[1]149.91[1]
Sr(NO3)2 (ai)-960.52[1]-781.98[1]260.2[1]–
Sr(NO3)2 (cr)
4 hydrate
-2154.8[1]-1730.39[1]369.0[1]–
SO3 (cr)
β
-454.51[1]-374.21[1]70.7[1]–
SO3 (l)-441.04[1]-373.75[1]113.8[1]–
SO3 (g)-395.72[1]-371.06[1]256.76[1]50.67[1]
N2 (g)0[1]0[1]191.61[1]29.125[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, (l):Liquid, (g):Gas

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)