University:
Jackson College
Course:
CEM-141 | General Chemistry I
Academic year:

2024
Views:

495

Pages:

1
Author:

nenabeebt6kl

**A Voyage through Equations ANSWER KEY** **Section 1: Identify the type of reaction** 1) Na₃PO₄ + 3 KOH → 3 NaOH + K₃PO₄ (DOUBLE DISPLACEMENT) 2) MgCl₂ + Li₂CO₃ → MgCO₃ + 2 LiCl (DOUBLE DISPLACEMENT) 3) C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O (COMBUSTION) 4) Pb + FeSO₄ → PbSO₄ + Fe (SINGLE DISPLACEMENT) 5) CaCO₃ → CaO + CO₂ (DECOMPOSITION) 6) P₄ + 3 O₂ → 2 P₂O₃ (SYNTHESIS) 7) 2 RbNO₃ + BeF₂ → Be(NO₃)₂ + 2 RbF (DOUBLE DISPLACEMENT) 8) 2 AgNO₃ + Cu → Cu(NO₃)₂ + 2 Ag (SINGLE DISPLACEMENT) 9) C₂H₄ + 3 O₂ → 2 CO₂ + 2 H₂O (COMBUSTION) 10) 2 C + Fe → FeC₂ (SYNTHESIS) 11) SeCl₄ + O₂ → SeO₂ + 2 Cl₂ (SINGLE DISPLACEMENT) 12) 2 MgI₂ + Mn(SO₃)₂ → 2 MgSO₃ + MnI₂ (DOUBLE DISPLACEMENT) 13) O₃ → 2 O₂ (DECOMPOSITION) 14) 2 NO₂ → 2 O₂ + N₂ (DECOMPOSITION) **Section 2: Practicing equation balancing** 1) 2 C₄H₁₀ + 13 O₂ → 8 H₂O + 10 CO₂ 2) 4 NaI + 1 Pb(SO₄)₂ → 1 PbI₂ + 2 Na₂SO₄ 3) 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O 4) 2 Fe(OH)₃ → 1 Fe₂O₃ + 3 H₂O 5) 2 HNO₃ + 1 Mg(OH)₂ → 2 H₂O + 1 Mg(NO₃)₂ 6) 1 H₃PO₄ + 3 NaBr → 3 HBr + 1 Na₃PO₄ 7) 3 C + 4 H₂ → 1 C₃H₈ 8) 2 CaO + 1 MnI₂ → 1 MnO₂ + 2 CaI₂ 9) 1 Fe₂O₃ + 3 H₂O → 2 Fe(OH)₃ 10) 1 C₂H₂ + 2 ½ O₂ → 1 C₂H₂O