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8FeF2 + 25HNO3 ๐Ÿ”ฅโ†’ 8Fe(NO3)3 + NH4F + 15HFโ†‘ + 3H2O

The reaction of iron(II) fluoride and nitric acid yields iron(III) nitrate, ammonium fluoride, hydrogen fluoride, 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 oxidizable species and oxidizing species
Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent
โŸถ
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
FeF2Iron(II) fluoride8
Reducing
Oxidizable
HNO3Nitric acid25
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
Fe(NO3)3Iron(III) nitrate8
Oxidized
โ€“
NH4FAmmonium fluoride1
Reduced
โ€“
HFHydrogen fluoride15
โ€“
โ€“
H2OWater3
โ€“
โ€“

Thermodynamic changes

Changes in aqueous solution (1)

Reaction of iron(II) fluoride and nitric acid
8FeF2Aqueous solution + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Ionized aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Gas + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
390.9โ€“โ€“โ€“
per 1 mol of
48.86โ€“โ€“โ€“
per 1 mol of
15.64โ€“โ€“โ€“
per 1 mol of
48.86โ€“โ€“โ€“
per 1 mol of
390.9โ€“โ€“โ€“
per 1 mol of
26.06โ€“โ€“โ€“
per 1 mol of
130.3โ€“โ€“โ€“

Changes in aqueous solution (2)

Reaction of iron(II) fluoride and nitric acid
8FeF2Aqueous solution + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Ionized aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Un-ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’343.8โ€“โ€“โ€“
per 1 mol of
โˆ’42.98โ€“โ€“โ€“
per 1 mol of
โˆ’13.75โ€“โ€“โ€“
per 1 mol of
โˆ’42.98โ€“โ€“โ€“
per 1 mol of
โˆ’343.8โ€“โ€“โ€“
per 1 mol of
โˆ’22.92โ€“โ€“โ€“
per 1 mol of
โˆ’114.6โ€“โ€“โ€“

Changes in aqueous solution (3)

Reaction of iron(II) fluoride and nitric acid
8FeF2Aqueous solution + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Ionized aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Un-ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’343.8โ€“โ€“โ€“
per 1 mol of
โˆ’42.98โ€“โ€“โ€“
per 1 mol of
โˆ’13.75โ€“โ€“โ€“
per 1 mol of
โˆ’42.98โ€“โ€“โ€“
per 1 mol of
โˆ’343.8โ€“โ€“โ€“
per 1 mol of
โˆ’22.92โ€“โ€“โ€“
per 1 mol of
โˆ’114.6โ€“โ€“โ€“

Changes in aqueous solution (4)

Reaction of iron(II) fluoride and nitric acid
8FeF2Aqueous solution + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Gas + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
357.3โ€“โ€“โ€“
per 1 mol of
44.66โ€“โ€“โ€“
per 1 mol of
14.29โ€“โ€“โ€“
per 1 mol of
44.66โ€“โ€“โ€“
per 1 mol of
357.3โ€“โ€“โ€“
per 1 mol of
23.82โ€“โ€“โ€“
per 1 mol of
119.1โ€“โ€“โ€“

Changes in aqueous solution (5)

Reaction of iron(II) fluoride and nitric acid
8FeF2Aqueous solution + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Un-ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’377.4โ€“โ€“โ€“
per 1 mol of
โˆ’47.17โ€“โ€“โ€“
per 1 mol of
โˆ’15.10โ€“โ€“โ€“
per 1 mol of
โˆ’47.17โ€“โ€“โ€“
per 1 mol of
โˆ’377.4โ€“โ€“โ€“
per 1 mol of
โˆ’25.16โ€“โ€“โ€“
per 1 mol of
โˆ’125.8โ€“โ€“โ€“

Changes in aqueous solution (6)

Reaction of iron(II) fluoride and nitric acid
8FeF2Aqueous solution + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Un-ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’377.4โ€“โ€“โ€“
per 1 mol of
โˆ’47.17โ€“โ€“โ€“
per 1 mol of
โˆ’15.10โ€“โ€“โ€“
per 1 mol of
โˆ’47.17โ€“โ€“โ€“
per 1 mol of
โˆ’377.4โ€“โ€“โ€“
per 1 mol of
โˆ’25.16โ€“โ€“โ€“
per 1 mol of
โˆ’125.8โ€“โ€“โ€“

Changes in aqueous solution (7)

Reaction of iron(II) fluoride and nitric acid
โ—†
ฮ”rG256.2 kJ/mol
K0.13 ร— 10โˆ’44
pK44.88
8FeF2Crystalline solid + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Ionized aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Gas + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
119.7256.2โˆ’452.7โ€“
per 1 mol of
14.9632.02โˆ’56.59โ€“
per 1 mol of
4.78810.25โˆ’18.11โ€“
per 1 mol of
14.9632.02โˆ’56.59โ€“
per 1 mol of
119.7256.2โˆ’452.7โ€“
per 1 mol of
7.98017.08โˆ’30.18โ€“
per 1 mol of
39.9085.40โˆ’150.9โ€“

Changes in aqueous solution (8)

Reaction of iron(II) fluoride and nitric acid
โ—†
ฮ”rGโˆ’98.1 kJ/mol
K1.54 ร— 1017
pKโˆ’17.19
8FeF2Crystalline solid + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Ionized aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Un-ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’615.0โˆ’98.1โˆ’1728.9โ€“
per 1 mol of
โˆ’76.88โˆ’12.3โˆ’216.11โ€“
per 1 mol of
โˆ’24.60โˆ’3.92โˆ’69.156โ€“
per 1 mol of
โˆ’76.88โˆ’12.3โˆ’216.11โ€“
per 1 mol of
โˆ’615.0โˆ’98.1โˆ’1728.9โ€“
per 1 mol of
โˆ’41.00โˆ’6.54โˆ’115.26โ€“
per 1 mol of
โˆ’205.0โˆ’32.7โˆ’576.30โ€“

Changes in aqueous solution (9)

Reaction of iron(II) fluoride and nitric acid
โ—†
ฮ”rGโˆ’98.1 kJ/mol
K1.54 ร— 1017
pKโˆ’17.19
8FeF2Crystalline solid + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Ionized aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Un-ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’615.0โˆ’98.1โˆ’1728.9โ€“
per 1 mol of
โˆ’76.88โˆ’12.3โˆ’216.11โ€“
per 1 mol of
โˆ’24.60โˆ’3.92โˆ’69.156โ€“
per 1 mol of
โˆ’76.88โˆ’12.3โˆ’216.11โ€“
per 1 mol of
โˆ’615.0โˆ’98.1โˆ’1728.9โ€“
per 1 mol of
โˆ’41.00โˆ’6.54โˆ’115.26โ€“
per 1 mol of
โˆ’205.0โˆ’32.7โˆ’576.30โ€“

Changes in aqueous solution (10)

Reaction of iron(II) fluoride and nitric acid
8FeF2Crystalline solid + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Gas + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
86.1โ€“โ€“โ€“
per 1 mol of
10.8โ€“โ€“โ€“
per 1 mol of
3.44โ€“โ€“โ€“
per 1 mol of
10.8โ€“โ€“โ€“
per 1 mol of
86.1โ€“โ€“โ€“
per 1 mol of
5.74โ€“โ€“โ€“
per 1 mol of
28.7โ€“โ€“โ€“

Changes in aqueous solution (11)

Reaction of iron(II) fluoride and nitric acid
8FeF2Crystalline solid + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Un-ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’648.6โ€“โ€“โ€“
per 1 mol of
โˆ’81.08โ€“โ€“โ€“
per 1 mol of
โˆ’25.94โ€“โ€“โ€“
per 1 mol of
โˆ’81.08โ€“โ€“โ€“
per 1 mol of
โˆ’648.6โ€“โ€“โ€“
per 1 mol of
โˆ’43.24โ€“โ€“โ€“
per 1 mol of
โˆ’216.2โ€“โ€“โ€“

Changes in aqueous solution (12)

Reaction of iron(II) fluoride and nitric acid
8FeF2Crystalline solid + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Un-ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’648.6โ€“โ€“โ€“
per 1 mol of
โˆ’81.08โ€“โ€“โ€“
per 1 mol of
โˆ’25.94โ€“โ€“โ€“
per 1 mol of
โˆ’81.08โ€“โ€“โ€“
per 1 mol of
โˆ’648.6โ€“โ€“โ€“
per 1 mol of
โˆ’43.24โ€“โ€“โ€“
per 1 mol of
โˆ’216.2โ€“โ€“โ€“

Changes in aqueous solution (13)

Reaction of iron(II) fluoride and nitric acid
8FeF2Aqueous solution + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Ionized aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’532.1โ€“โ€“โ€“
per 1 mol of
โˆ’66.51โ€“โ€“โ€“
per 1 mol of
โˆ’21.28โ€“โ€“โ€“
per 1 mol of
โˆ’66.51โ€“โ€“โ€“
per 1 mol of
โˆ’532.1โ€“โ€“โ€“
per 1 mol of
โˆ’35.47โ€“โ€“โ€“
per 1 mol of
โˆ’177.4โ€“โ€“โ€“

Changes in aqueous solution (14)

Reaction of iron(II) fluoride and nitric acid
8FeF2Aqueous solution + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’565.7โ€“โ€“โ€“
per 1 mol of
โˆ’70.71โ€“โ€“โ€“
per 1 mol of
โˆ’22.63โ€“โ€“โ€“
per 1 mol of
โˆ’70.71โ€“โ€“โ€“
per 1 mol of
โˆ’565.7โ€“โ€“โ€“
per 1 mol of
โˆ’37.71โ€“โ€“โ€“
per 1 mol of
โˆ’188.6โ€“โ€“โ€“

Changes in aqueous solution (15)

Reaction of iron(II) fluoride and nitric acid
โ—†
ฮ”rG172.3 kJ/mol
K0.65 ร— 10โˆ’30
pK30.19
8FeF2Crystalline solid + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Ionized aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’803.3172.3โˆ’3266.4โ€“
per 1 mol of
โˆ’100.421.54โˆ’408.30โ€“
per 1 mol of
โˆ’32.136.892โˆ’130.66โ€“
per 1 mol of
โˆ’100.421.54โˆ’408.30โ€“
per 1 mol of
โˆ’803.3172.3โˆ’3266.4โ€“
per 1 mol of
โˆ’53.5511.49โˆ’217.76โ€“
per 1 mol of
โˆ’267.857.43โˆ’1088.8โ€“

Changes in aqueous solution (16)

Reaction of iron(II) fluoride and nitric acid
8FeF2Crystalline solid + 25HNO3Ionized aqueous solution
๐Ÿ”ฅ
โŸถ
8Fe(NO3)3Aqueous solution + NH4FIonized aqueous solution + 15HFโ†‘Ionized aqueous solution + 3H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1
Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1
Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โˆ’836.9โ€“โ€“โ€“
per 1 mol of
โˆ’104.6โ€“โ€“โ€“
per 1 mol of
โˆ’33.48โ€“โ€“โ€“
per 1 mol of
โˆ’104.6โ€“โ€“โ€“
per 1 mol of
โˆ’836.9โ€“โ€“โ€“
per 1 mol of
โˆ’55.79โ€“โ€“โ€“
per 1 mol of
โˆ’279.0โ€“โ€“โ€“

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1
Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1
Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
FeF2 (cr)-711.3[1]-668.6[1]86.99[1]68.12[1]
FeF2 (ai)-754.4[1]-636.48[1]-165.3[1]โ€“
FeF2 (aq)-745.2[1]โ€“โ€“โ€“
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, (ai):Ionized aqueous solution, (aq):Aqueous solution, (l):Liquid, (g):Gas

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1
Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1
Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Fe(NO3)3 (ai)-670.7[1]-338.3[1]123.4[1]โ€“
Fe(NO3)3 (aq)-674.9[1]โ€“โ€“โ€“
Fe(NO3)3 (cr)
9 hydrate
-3285.3[1]โ€“โ€“โ€“
NH4F (cr)-463.96[1]-348.68[1]71.96[1]65.27[1]
NH4F (ai)-465.14[1]-358.09[1]99.6[1]-26.8[1]
HF (l)
x denotes undetermined zero point entropy
-299.78[1]โ€“75.40+x[1]โ€“
HF (g)-271.1[1]-273.2[1]173.779[1]29.133[1]
HF (ai)-332.63[1]-278.79[1]-13.8[1]-106.7[1]
HF (ao)-320.08[1]-296.82[1]88.7[1]โ€“
H2O (cr)โ€“โ€“โ€“โ€“
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]
* (ai):Ionized aqueous solution, (aq):Aqueous solution, (cr):Crystalline solid, (l):Liquid, (g):Gas, (ao):Un-ionized aqueous solution

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)