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Réactions de Combinaison

Réactions de Combinaison. Pg 259 #1 a) 3Mg + N 2 → Mg 3 N 2 c) 4K + O 2 → 2K 2 O e) 12Cs + P 4 → 4Cs 3 P #2 a) combinaison c) pas de combinaison e) combinaison. Réactions de Décomposition. Pg 260 #1 a) 2 AuCl 3 → 2Au + 3Cl 2 c) MgF 2 → Mg + F 2 e) 2CsI → 2Cs + I 2

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Réactions de Combinaison

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  1. Réactions de Combinaison Pg 259 #1 a) 3Mg + N2 → Mg3N2 c) 4K + O2 → 2K2O e) 12Cs + P4 → 4Cs3P #2 a) combinaison c) pas de combinaison e) combinaison

  2. Réactions de Décomposition • Pg 260 • #1 a) 2 AuCl3→ 2Au + 3Cl2 c) MgF2 → Mg + F2 e) 2CsI → 2Cs + I2 #2 a) décomposition c) combinaison e) décomposition

  3. Réactions de Substitution Simple • Pg 261 • #1 a) 3PbCl4 + 4Al →4AlCl3 + 3Pb c) CuF2 + Mg → MgF2 + Cu e) Be + Fe(NO3)2 → Fe + Be(NO3)2 #2 a) décomposition c) décomposition e) combinaison

  4. Réactions de Substitution Double • Pg 262 • #1 a) CaS + 2NaOH → Ca(OH)2 + Na2S c) SrCl2 + Pb(NO3)2 → Sr(NO3)2 + PbCl2 e) 2AgNO3 + Na2CrO4 → Ag2CrO4 + 2NaNO3 #2 a) substitution simple c) substitution simple e) décomposition

  5. Réactions de Neutralisation • pg 263 • #1 a) HBr + NaOH → NaBr + H2O c) 2HCl + Pb(OH)2 → PbCl2 + 2H2O #2 a) substitution simple c) neutralisation

  6. Réactions de Combustion • Pg 264 • #1 a) C3H8 + 5O2→ 3CO2 + 4H2O c) C2H4 + 3O2 → 2CO2 + 2H2O e) C12H22O12 + 12O2 → 12CO2 + 11H2O #2 a) substitution double c) combustion e) combustion

  7. Résumé des 6 Réactions • Pg 265 #1-7 • 1. 2Fe2O3→ 4Fe + 3O2 (décomposition) • 2. Al + NiBr3 → Ni + AlBr3 (substitution simple) • 3. Cl2 + NiBr2 → NiCl2 + Br2 (substitution simple)

  8. 4. 2HCl + Mg(OH)2 → MgCl2 +2H2O (neutralisation) • #5. 2C18H38 + 55O2→ 36CO2 + 38H2O (combustion) • #6. 6Li + N2 → 2Li3N (combinaison) • #7. 2AgNO3 + Na2CrO4 → Ag2CrO4 + 2NaNO3 (substitution double)

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