Question

Station 1. Zn(s) and HCl(aq) Observations: • Pop once match smells like match Das lit mediat burobling • hot Reaction Type, Scheme 1: Single displacement Scheme 2:xedox _Zn(s) + __HCl(aq) → Balanced Molecular Reaction Equation Complete Ionic Reaction Equation Net Ionic Reaction Equation

Answer 1

Solution 1:

Zn (s) and HCl (aq)

Reaction type, Scheme 1: Synthesis reaction (since ZnCl₂ is produced)

                        Scheme 2: Gas forming reaction (since H₂ is produced)

Balanced Molecular Reaction Equation

Zn (s) + 2 HCl (aq) ---------> ZnCl₂ (aq) + H₂ (g)

Complete Ionic Reaction Equation

Zn (s) + 2 H⁺ (aq) + 2 Cl^- (aq) --------> Zn²⁺ (aq) + 2 Cl^- (aq) + H₂ (g)

Net Ionic Reaction Equation

Zn (s) + 2 H⁺ (aq) ---------> Zn²⁺ (aq) + H₂ (g)

Solution 2:

BaCl₂ (aq) and Na₂SO₄ (aq)

Reaction type, Scheme 1: Double displacement reaction (since the cations change their positions)

                        Scheme 2: Precipitation reaction (since BaSO₄ is produced)

Balanced Molecular Reaction Equation

BaCl₂ (aq) + Na₂SO₄ (aq) ---------> BaSO₄ (s) + 2 NaCl

Complete Ionic Reaction Equation

Ba²⁺ (aq) + 2 Cl^- (aq) + 2 Na⁺ (aq) + SO₄^2- (aq) ------------> BaSO₄ (s) + 2 Na⁺ (aq) + 2 Cl^- (aq)

Net Ionic Reaction Equation

Ba²⁺ (aq) + SO₄^2- (aq) ----------> BaSO₄ (s)

Solution 3:

BaCl₂ (aq) and Na₃PO₄ (aq)

Reaction type, Scheme 1: Double displacement reaction (since the cations change their positions)

                        Scheme 2: Precipitation reaction (since Ba₃(PO₄)₂ is produced)

Balanced Molecular Reaction Equation

3 BaCl₂ (aq) + 2 Na₃PO₄ (aq) ---------> Ba₃(PO₄)₂ (s) + 6 NaCl

Complete Ionic Reaction Equation

3 Ba²⁺ (aq) + 6 Cl^- (aq) + 6 Na⁺ (aq) + 2 PO₄^3- (aq) ------------> Ba₃(PO₄)₂ (s) + 6 Na⁺ (aq) + 6 Cl^- (aq)

Net Ionic Reaction Equation

3 Ba²⁺ (aq) + 2 PO₄^3- (aq) ----------> Ba₃(PO₄)₂ (s)

Solution 4:

HCl (aq) and Na₂CO₃ (aq)

Reaction type, Scheme 1: Gas formation reaction (since CO₂ is produced)

                        Scheme 2: Decomposition reaction (H₂CO₃ is formed which decomposes to CO₂ and H₂O)

Balanced Molecular Reaction Equation

2 HCl (aq) + Na₂CO₃ (aq) ---------> 2 NaCl (aq) + CO₂ (g) + H₂O (l)

Complete Ionic Reaction Equation

2 H⁺ (aq) + 2 Cl^- (aq) + 2 Na⁺ (aq) + CO₃^2- (aq) ----------> 2 Na⁺ (aq) + 2 Cl^- (aq) + CO₂ (g) + H₂O (l)

Net Ionic Reaction Equation

2 H⁺ (aq) + CO₃^2- (aq) ---------> CO₂ (g) + H₂O (l)

Solution 5:

CuSO₄.5H₂O

Reaction type, Scheme 1: Decomposition reaction (since CuSO₄.5H₂Ois broken up into its consitutents)

                        Scheme 2: Ionization reaction (since ions are produced)

Balanced Molecular Reaction Equation

CuSO₄.5H₂O (s) -----------> CuSO₄ (aq) + 5 H₂O (l)

Complete Ionic Reaction Equation

CuSO₄.5H₂O (s) ----------> Cu²⁺ (aq) + SO₄^2- (aq) + 5 H₂O (l)

Net Ionic Reaction Equation

CuSO₄.5H₂O (s) ----------> Cu²⁺ (aq) + SO₄^2- (aq) + 5 H₂O (l)