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One Uno Ichi Washid

1. 2. 3. 4. One Uno Ichi Washid. Types of Reactions. SYNTHESIS REACTION PATTERN: A + B → AB EXAMPLE: 2Mg (s) + O 2 (g) → 2MgO (s) DECOMPOSITION REACTION PATTERN: AB → A + B EXAMPLE:

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One Uno Ichi Washid

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  1. 1 2 3 4

  2. One Uno Ichi Washid

  3. Types of Reactions

  4. SYNTHESIS REACTION PATTERN: A + B → AB EXAMPLE: 2Mg(s) + O2 (g) → 2MgO (s) DECOMPOSITION REACTION PATTERN: AB→ A + B EXAMPLE: 2H2O(g) → 2H2(g) + O2(g)

  5. SINGLE REPLACEMENT REACTION PATTERN: A + BC → AC + B EXAMPLE: 2Al(s) + 3CuCl2(aq) → 2AlCl3(aq) + 3Cu(s) DOUBLE REPLACEMENT REACTION PATTERN: AB + CD → AD + CB EXAMPLE: BaCl2(aq)+ Na2SO4(aq) → BaSO4(s) +2NaCl (aq)

  6. Acid – Base Reaction HX + MOH MX + H2O acid base salt water Example: H2SO4(aq) + NaOH(aq) Na2SO4(aq) + H2O(l)

  7. COMBUSTION REACTION Pattern: CXHYOZ + O2 → CO2 + H2O Example: 2C2H3OH(l) + 5O2(g)→ 4CO2(g) + 4H2O(l) C3H8(g)) + 5O2(g)→ 3CO2(g) + 4H2O(g)

  8. Na(s) + Cl2 → NaCl(s) Synthesis ZnNO3(aq) + Mg(s) → Zn(s) + MgNO3(aq) Single Replacement CH4(g) + O2(g) → CO2(g) + H2O(l) Combustion NaCl(aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s) Double Replacement

  9. Driving Forces • Predict whether a reaction will work– chemical changes that tend to make reactions go in the direction of the arrow

  10. Types of Driving forces: • 1. Formation of a precipitate (solid) (see solubility rules) • Example: • AgNO3(aq) + KCl(aq) AgCl(s)+KNO3(aq) • 2. Formation of water • Example: • HCl(aq)+NaOH(aq) H2O(l)+NaCl(aq)

  11. 3. Formation of a gas: • Example: • 2HgO(s)2Hg(l)+O2(g) • 4. Transfer of Electrons – which is called Oxidation-Reduction or Redox • Example: • 2H2(g)+O2(g)2H2O(g)

  12. C6H12 + O2 CO2 + H2O Combustion

  13. Al + Fe2O3 Fe + Al2O3 Single Replacement

  14. Cu(NO3)2(aq) + Na3PO4(aq) Cu3(PO4)2(s) + NaNO3(aq) Double Replacement

  15. 2Na(s) + Cl2(g) 2NaCl(s) Synthesis

  16. H3PO4(aq) + KOH(aq) K3PO4(aq) + H2O(l) Acid - Base

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