Home
Chemical reactions
BaBr2 + CuSO4 💧→ BaSO4↓ + CuBr2

BaBr₂ + CuSO₄ 💧→ BaSO₄↓ + CuBr₂

Last updated: June 13, 2022

Reaction of barium bromide and copper(II) sulfate: BaBr₂Barium bromide + CuSO₄Copper(II) sulfate
💧
⟶
BaSO₄↓Barium sulfate + CuBr₂Copper(II) bromide

The reaction of barium bromide and copper(II) sulfate yields barium sulfate and copper(II) bromide. 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
BaBr₂	Barium bromide	1	Lewis acid	Very soluble in water
CuSO₄	Copper(II) sulfate	1	Lewis base	Soluble in water

Products

Chemical formula	Name	Coefficient	Type	Type in general equation
BaSO₄	Barium sulfate	1	Lewis conjugate	Insoluble in water
CuBr₂	Copper(II) bromide	1	Non-redox product	–

Thermodynamic changes

Changes in standard condition (1)

Reaction of barium bromide and copper(II) sulfate: BaBr₂Crystalline solid + CuSO₄Crystalline solid
💧
⟶
BaSO₄↓Crystalline solid + CuBr₂Crystalline 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	−86.3	–	–	–
per 1 mol of Barium bromide	−86.3	–	–	–
per 1 mol of Copper(II) sulfate	−86.3	–	–	–
per 1 mol of Barium sulfate	−86.3	–	–	–
per 1 mol of Copper(II) bromide	−86.3	–	–	–

Changes in standard condition (2)

Reaction of barium bromide and copper(II) sulfate: BaBr₂Crystalline solid + CuSO₄Crystalline solid
💧
⟶
BaSO₄↓Crystalline solidprecipitated + CuBr₂Crystalline 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	−79.6	–	–	–
per 1 mol of Barium bromide	−79.6	–	–	–
per 1 mol of Copper(II) sulfate	−79.6	–	–	–
per 1 mol of Barium sulfate	−79.6	–	–	–
per 1 mol of Copper(II) bromide	−79.6	–	–	–

Changes in aqueous solution (1)

Reaction of barium bromide and copper(II) sulfate: BaBr₂Ionized aqueous solution + CuSO₄Un-ionized aqueous solution
💧
⟶
BaSO₄↓Ionized aqueous solution + CuBr₂Crystalline 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	–	–	–	–
per 1 mol of Barium bromide	–	–	–	–
per 1 mol of Copper(II) sulfate	–	–	–	–
per 1 mol of Barium sulfate	–	–	–	–
per 1 mol of Copper(II) bromide	–	–	–	–

Changes in aqueous solution (2)

Reaction of barium bromide and copper(II) sulfate: BaBr₂Ionized aqueous solution + CuSO₄Crystalline solid
💧
⟶
BaSO₄↓Ionized aqueous solution + CuBr₂Crystalline 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	1265.6	–	–	–
per 1 mol of Barium bromide	1265.6	–	–	–
per 1 mol of Copper(II) sulfate	1265.6	–	–	–
per 1 mol of Barium sulfate	1265.6	–	–	–
per 1 mol of Copper(II) bromide	1265.6	–	–	–

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
BaBr₂ (cr)	-757.3^[1]	-736.8^[1]	146^[1]	–
BaBr₂ (g)	-439^[1]	-473^[1]	331^[1]	61.5^[1]
BaBr₂ (ai)	-780.73^[1]	-768.68^[1]	174.5^[1]	–
BaBr₂ (cr) 1 hydrate	-1068.2^[1]	–	–	–
BaBr₂ (cr) 2 hydrate	-1366.1^[1]	-1230.4^[1]	226^[1]	–
CuSO₄ (cr)	-771.36^[1]	-661.8^[1]	109^[1]	100.0^[1]
CuSO₄ (ai)	-844.50^[1]	-679.04^[1]	-79.5^[1]	–
CuSO₄ (ao)	–	-692.18^[1]	–	–
CuSO₄ (cr) 1 hydrate	-1085.83^[1]	-918.11^[1]	146.0^[1]	134^[1]
CuSO₄ (cr) 3 hydrate	-1684.31^[1]	-1399.96^[1]	221.3^[1]	205^[1]
CuSO₄ (cr) 5 hydrate	-2279.65^[1]	-1879.745^[1]	300.4^[1]	280^[1]

* (cr):Crystalline solid, (g):Gas, (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
BaSO₄ (cr)	-1473.2^[1]	-1362.2^[1]	132.2^[1]	101.75^[1]
BaSO₄ (cr) precipitated	-1466.5^[1]	–	–	–
BaSO₄ (ai)	-144.691^[1]	-1305.30^[1]	29.7^[1]	–
CuBr₂ (cr)	-141.8^[1]	–	–	–
CuBr₂ (cr) 4 hydrate	-1326.3^[1]	–	–	–

* (cr):Crystalline solid, (ai):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

BaBr2 + CuSO4 💧→ BaSO4↓ + CuBr2

Reaction data

Chemical equation

General equation

Oxidation state of each atom