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Section 1: Balance each of the following reactions. Your instructor may discuss the different types of reactions present in these examples. Reaction Type Al + O2 +Al:03 Synthesis Synthesis N2 + H2 + NH3 MgCO3 → MgO + CO2 KCIO: → KCI + 02 Cu + AgNO3 → Ag + Cu(NO3)2 Cl2 + Nal → NaCl + 1; HCI + NaOH + H:0 + NaCI BiCl3 + H2S → Bi2S3 + HCI Section II: Balance each of the following chemical equations. You will first have to write the formula for each reactant and product. Pay particular attention to which elements should be written as diatomic molecules. If you are having a particularly difficult time balancing any of the reactions, double check your formulas. Phosphorus + Oxygen Diphosphorus pentaoxide Iron + Sulfur → Iron(II) sulfide Chromium + Oxygen → Chromium(III) oxide Lead(IV) oxide → lead(II) oxide + Oxygen

Answer 1

SOLUTION HAI +30, 2A), O.. Synthesis N₂ + 3H2 → 2NH3 Synthesis MgCO3 - MgO + CO2 Decomposition 26 C10 – 2k C1 +30 Decomposition (u + 2Ag No 2Ag + Cu (NO) Single displacement Cl + 2Na I – 2 Nall & I Single displacement HA + Nach Ho & Nach Neutralization 2 Billy Has Big S + 6HCl, Double displacement SECTIONI The solutions in the order of given questions are : P + 50 - 2₂05 Fe + S FES 200 + 30, 267202 2PbO - 2Pbo to 2 NaHCO3 Na CO₂ + CO2 + H₂O 2N0 NO₂ + O2 NH HO 2Na NO3 - NHH OH

- 2Na + 2H₂O e & Cusou NOOH + H₂ cu & Peson H₂SO4 + Ba(OH) → Bally + 240 •P6No) + 2k I – Pbly + 2 KND, 2H4 & znSoy H₂SO4 2H01 + ZnS - H₂S + Zrch ZnCl2 + (NH4) ZnS + 2NH4Cl 2Nall & has Na, CO + 2H BAO + H₂O – Balon) NOG & HO – 24NO₂ Mg (CIO) - Moch + 302 Pb + 2Ag NO R Ang + Pb(NO3)₂ K₂ 504 + So (NO) – 2 KNO3 + 38504 Nation) + No Oy & Calle Caloy + 2NaCl

fell + 3 NH ₂ OH record + 3NH4C H₂SO4 + Na, coz H₂ CO₂ + No.₂ Sou. H₂ CO2 CO + H₂O H₂SO3 . SO2 + 0

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