Write the molecular equation, complete ionic and net ionic equation resulting from: Mixing BaCl2(aq) with Na2CO3(aq) produces a white solid. Mixing KOH(aq) with H2SO4(aq) results in the evolution of heat.

Molecular equation: BaCl₂(aq) + Na₂CO₃(aq) ---> BaCO₃(s) + 2NaCl(aq)

Complete ionic equation: Ba²⁺(aq) + 2Cl⁻ + 2Na⁺(aq) + CO₃²⁻(aq) ---> BaCO₃(s)  + 2Na⁺(aq) + 2Cl⁻(aq)

Net Ionic equation: Ba²⁺(aq) + CO₃²⁻(aq) ---> BaCO₃(s)

Molecular equation: 2KOH(aq) + H₂SO₄(aq) ---> K₂SO₄(aq) + 2H₂O(l)

Complete ionic equation: 2K⁺(aq) + 2OH⁻(aq) + 2H⁺(aq) + SO₄²⁻(aq) ---> 2K⁺(aq) + SO₄²⁻(aq) + 2H₂O(l)

Net ionic equation: 2OH⁻(aq) + 2H⁺(aq) ---> 2H₂O(l)

Explanation:

The reaction that occurs when aqueous solutions of BaCl₂ and Na₂CO₃ are mixed together to produce a white solid is known as a double displacement reaction.

Molecular equation: BaCl₂(aq) + Na₂CO₃(aq) ---> BaCO₃(s) + 2NaCl(aq)

Complete ionic equation: Ba²⁺(aq) + 2Cl⁻ + 2Na⁺(aq) + CO₃²⁻(aq) ---> BaCO₃(s)  + 2Na⁺(aq) + 2Cl⁻(aq)

Net Ionic equation: Ba²⁺(aq) + CO₃²⁻(aq) ---> BaCO₃(s)

The reaction between aqueous solutions of KOH and H₂SO₄ is a neutralization reaction.

Molecular equation: 2KOH(aq) + H₂SO₄(aq) ---> K₂SO₄(aq) + 2H₂O(l)

Complete ionic equation: 2K⁺(aq) + 2OH⁻(aq) + 2H⁺(aq) + SO₄²⁻(aq) ---> 2K⁺(aq) + SO₄²⁻(aq) + 2H₂O(l)

Net ionic equation: 2OH⁻(aq) + 2H⁺(aq) ---> 2H₂O(l)

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