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Ba(NO3)2 + 2AgF 💧→ BaF2↓ + 2AgNO3

Ba(NO₃)₂ + 2AgF 💧→ BaF₂↓ + 2AgNO₃

Last updated: June 13, 2022

Reaction of barium nitrate and silver(I) fluoride: Ba(NO₃)₂Barium nitrate + 2AgFSilver(I) fluoride
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BaF₂↓Barium fluoride + 2AgNO₃Silver(I) nitrate

The reaction of barium nitrate and silver(I) fluoride yields barium fluoride and silver(I) nitrate. This reaction is an acid-base reaction and is classified as follows:

Precipitation reaction

Table of contents

Reaction data

Reactants

Chemical formula	Name	Coefficient	Type	Type in general equation
Ba(NO₃)₂	Barium nitrate	1	Lewis acid	Soluble in water
AgF	Silver(I) fluoride	2	Lewis base	Very soluble in water

Products

Chemical formula	Name	Coefficient	Type	Type in general equation
BaF₂	Barium fluoride	1	Lewis conjugate	Slightly soluble in water
AgNO₃	Silver(I) nitrate	2	Non-redox product	–

Thermodynamic changes

Changes in standard condition

Reaction of barium nitrate and silver(I) fluoride: Ba(NO₃)₂Crystalline solid + 2AgFCrystalline solid
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BaF₂↓Crystalline solid + 2AgNO₃Crystalline solid

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	−54.6	–	–	–
per 1 mol of Barium nitrate	−54.6	–	–	–
per 1 mol of Silver(I) fluoride	−27.3	–	–	–
per 1 mol of Barium fluoride	−54.6	–	–	–
per 1 mol of Silver(I) nitrate	−27.3	–	–	–

Changes in aqueous solution (1)

Reaction of barium nitrate and silver(I) fluoride ◆ Δ_rG −38.5 kJ/mol K 5.56 × 10⁶ pK −6.74: Ba(NO₃)₂Ionized aqueous solution + 2AgFIonized aqueous solution
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BaF₂↓Crystalline solid + 2AgNO₃Ionized aqueous solution

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	−4.2	−38.5	114.3	–
per 1 mol of Barium nitrate	−4.2	−38.5	114.3	–
per 1 mol of Silver(I) fluoride	−2.1	−19.3	57.15	–
per 1 mol of Barium fluoride	−4.2	−38.5	114.3	–
per 1 mol of Silver(I) nitrate	−2.1	−19.3	57.15	–

Changes in aqueous solution (2)

Reaction of barium nitrate and silver(I) fluoride ◆ Δ_rG −35.1 kJ/mol K 1.41 × 10⁶ pK −6.15: Ba(NO₃)₂Ionized aqueous solution + 2AgFIonized aqueous solution
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BaF₂↓Crystalline solid + 2AgNO₃Un-ionized aqueous solution

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	–	−35.1	–	–
per 1 mol of Barium nitrate	–	−35.1	–	–
per 1 mol of Silver(I) fluoride	–	−17.6	–	–
per 1 mol of Barium fluoride	–	−35.1	–	–
per 1 mol of Silver(I) nitrate	–	−17.6	–	–

Changes in aqueous solution (3)

Reaction of barium nitrate and silver(I) fluoride ◆ Δ_rG −34.4 kJ/mol K 1.06 × 10⁶ pK −6.03: Ba(NO₃)₂Ionized aqueous solution + 2AgFUn-ionized aqueous solution
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BaF₂↓Crystalline solid + 2AgNO₃Ionized aqueous solution

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	19.5	−34.4	180.5	–
per 1 mol of Barium nitrate	19.5	−34.4	180.5	–
per 1 mol of Silver(I) fluoride	9.75	−17.2	90.25	–
per 1 mol of Barium fluoride	19.5	−34.4	180.5	–
per 1 mol of Silver(I) nitrate	9.75	−17.2	90.25	–

Changes in aqueous solution (4)

Reaction of barium nitrate and silver(I) fluoride ◆ Δ_rG −31.1 kJ/mol K 2.81 × 10⁵ pK −5.45: Ba(NO₃)₂Ionized aqueous solution + 2AgFUn-ionized aqueous solution
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BaF₂↓Crystalline solid + 2AgNO₃Un-ionized aqueous solution

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	–	−31.1	–	–
per 1 mol of Barium nitrate	–	−31.1	–	–
per 1 mol of Silver(I) fluoride	–	−15.6	–	–
per 1 mol of Barium fluoride	–	−31.1	–	–
per 1 mol of Silver(I) nitrate	–	−15.6	–	–

Thermodynamic data of reactants

Chemical formula	Standard enthalpy of formation Δ_fH° kJ · mol⁻¹	Standard Gibbs energy of formation Δ_fG° kJ · mol⁻¹	Standard molar entropy S° J · K⁻¹ · mol⁻¹	Standard molar heat capacity at constant pressure C_p° J · K⁻¹ · mol⁻¹
Ba(NO₃)₂ (cr)	-992.07^[1]	-796.59^[1]	213.8^[1]	151.38^[1]
Ba(NO₃)₂ (ai)	-952.36^[1]	-783.28^[1]	302.5^[1]	–
AgF (cr)	-204.6^[1]	–	–	–
AgF (ai)	-227.07^[1]	-201.69^[1]	59.0^[1]	-84.9^[1]
AgF (ao)	-238.9^[1]	-203.7^[1]	25.9^[1]	–
AgF (cr) 2 hydrate	-800.8^[1]	-671.0^[1]	174.9^[1]	130^[1]
AgF (cr) 4 hydrate	-1388.3^[1]	-1147.0^[1]	268^[1]	209^[1]

* (cr):Crystalline solid, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

Thermodynamic data of products

Chemical formula	Standard enthalpy of formation Δ_fH° kJ · mol⁻¹	Standard Gibbs energy of formation Δ_fG° kJ · mol⁻¹	Standard molar entropy S° J · K⁻¹ · mol⁻¹	Standard molar heat capacity at constant pressure C_p° J · K⁻¹ · mol⁻¹
BaF₂ (cr)	-1207.1^[1]	-1156.8^[1]	96.36^[1]	71.21^[1]
BaF₂ (g)	-818.0^[1]	-828.4^[1]	300.98^[1]	53.76^[1]
BaF₂ (ai)	-1202.90^[1]	-1118.35^[1]	-18.0^[1]	–
AgNO₃ (cr)	-124.39^[1]	-33.41^[1]	140.92^[1]	93.05^[1]
AgNO₃ (ai)	-101.80^[1]	-34.16^[1]	219.2^[1]	-64.9^[1]
AgNO₃ (ao)	–	-32.49^[1]	–	–

* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

References

List of references

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
https://doi.org/10.18434/M32124
National Institute of Standards and Technology (NIST)
Citation list

Δ_rG	−38.5 kJ/mol
K	5.56 × 10⁶
pK	−6.74

Δ_rG	−35.1 kJ/mol
K	1.41 × 10⁶
pK	−6.15

Δ_rG	−34.4 kJ/mol
K	1.06 × 10⁶
pK	−6.03

Δ_rG	−31.1 kJ/mol
K	2.81 × 10⁵
pK	−5.45

Ba(NO3)2 + 2AgF 💧→ BaF2↓ + 2AgNO3

Reaction data

Chemical equation

General equation

Oxidation state of each atom