BaS + K₂SO₃ 💧→ BaSO₃↓ + K₂S

Last updated: June 13, 2022

Reaction of barium sulfide and potassium sulfite: BaSBarium sulfide + K₂SO₃Potassium sulfite
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BaSO₃↓Barium sulfite + K₂SPotassium sulfide

The reaction of barium sulfide and potassium sulfite yields barium sulfite and potassium sulfide. This reaction is an acid-base reaction and is classified as follows:

Table of contents

Reaction data

Chemical formula	Name	Coefficient	Type	Type in general equation
BaS	Barium sulfide	1	Lewis acid	Soluble in water
K₂SO₃	Potassium sulfite	1	Lewis base	Very soluble in water

Chemical formula	Name	Coefficient	Type	Type in general equation
BaSO₃	Barium sulfite	1	Lewis conjugate	Very slightly soluble in water
K₂S	Potassium sulfide	1	Non-redox product	–

Reaction of barium sulfide and potassium sulfite: BaSCrystalline solid + K₂SO₃Crystalline solid
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BaSO₃↓Crystalline solid + K₂SCrystalline 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	25	–	–	–
per 1 mol of Barium sulfide	25	–	–	–
per 1 mol of Potassium sulfite	25	–	–	–
per 1 mol of Barium sulfite	25	–	–	–
per 1 mol of Potassium sulfide	25	–	–	–

Reaction of barium sulfide and potassium sulfite: BaSAqueous solution + K₂SO₃Ionized aqueous solution
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BaSO₃↓Crystalline solid + K₂SIonized 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	−17.6	–	–	–
per 1 mol of Barium sulfide	−17.6	–	–	–
per 1 mol of Potassium sulfite	−17.6	–	–	–
per 1 mol of Barium sulfite	−17.6	–	–	–
per 1 mol of Potassium sulfide	−17.6	–	–	–

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
BaS (cr)	-460^[1]	-456^[1]	78.2^[1]	49.37^[1]
BaS (g)	50^[1]	–	–	–
BaS (aq)	-493.3^[1]	–	–	–
K₂SO₃ (cr)	-1125.5^[1]	–	–	–
K₂SO₃ (ai)	-1140.1^[1]	-1053.1^[1]	176^[1]	–

* (cr):Crystalline solid, (g):Gas, (aq):Aqueous solution, (ai):Ionized aqueous solution

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
BaSO₃ (cr)	-1179.5^[1]	–	–	–
K₂S (cr)	-380.7^[1]	-364.0^[1]	105^[1]	–
K₂S (ai)	-471.5^[1]	-480.7^[1]	190.4^[1]	–
K₂S (cr) 2 hydrate	-975.3^[1]	–	–	–
K₂S (cr) 5 hydrate	-1871.5^[1]	–	–	–

* (cr):Crystalline solid, (ai):Ionized aqueous solution