Balance the reactions 1 to 6 and indicate which type of chemical reaction (synth

Question

Balance the reactions 1 to 6 and indicate which type of chemical reaction (synthesis, decomposition, single-displacement, double-replacement or combustion) is being represented: 1. +NaOH Reaction type Reaction type Reaction type Reaction type Reaction type. Reaction type 5. Li,N+ NILNO, -LiNo, + (NILAN 6. Indicate which type of chemical reaction (synthesis, decomposition, single-displaccment, double-displacement, or combustion) is being represented in 7 to 20. Reaction type Reaction type Reaction type Reaction type Reaction type Reaction type Reaction type Reaction type Reaction type Reaction type Reaction type Reaction type Rcaction type Reaction type 9. Coll,2 +902 600, + 6H20 10, Pb + Feso, PbSO, + Fe 11, Caco, CaO + CO2 12. P4 +302 20, 14, 2AeNo, + Cu Cu(Oh + 2A8 15, Chld) + 402 3CO, + 3H20 16, 2C,H, + Fe Fe(calh 16 20. 2N02 20, +N;

Explanation / Answer

1) 2 NaBr + 1 Ca(OH)2 ‡ 1 CaBr2 + 2 NaOH Type of reaction: double displacement

2) 2 NH3+ 1 H2SO4 -------1 (NH4)2SO4 Type of reaction: synthesis

3) 4 C5H9O + 27 O2 ------- 20 CO2 + 18 H2O Type of reaction: combustion

4) 3 Pb + 2 H3PO4 ------ 3 H2 + 1 Pb3(PO4)2 Type of reaction: single replacement

5) 1 Li3N + 3 NH4NO3 -------- 3 LiNO3 + 1 (NH4)3N Type of reaction: double replacement

7) Na3PO4 + 3 KOH -------- 3 NaOH + K3PO4   Type of reaction:  double replacement

8) MgCl2 + Li2CO3 ------ MgCO3 + 2 LiCl   Type of reaction: double replacement

11) CaCO3 ------- CaO + CO2   Type of reaction: decomposition

15)   C3H6O + 4 O2 ----- 3 CO2 + 3 H2O   Type of reaction: combustion

16)     2 C5H5 + Fe ----- Fe(C5H5)2   Type of reaction: synthesis

17) SeCl6 + O2 ---------- SeO2 + 3Cl2   Type of reaction: single replacement

20)   2 NO2 ---------- 2 O2 + N2   Type of reaction : decomposition

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