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Chemical Reactions

Chemical Reactions. Double Replacement Reactions. Double Replacement Reactions. “Square Dance/Swingers/Wife Swap” – The anions and cations switch. Reactants =2 compounds (aq). Double Replacement Reactions. Products = 1 compound (aq)) AND: 1 compound (aq) (N.R) or

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Chemical Reactions

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  1. Chemical Reactions Double Replacement Reactions

  2. Double Replacement Reactions “Square Dance/Swingers/Wife Swap” – The anions and cations switch. Reactants =2 compounds(aq)

  3. Double Replacement Reactions Products = 1 compound(aq)) AND: 1 compound(aq) (N.R) or 1 compound(s) (ppt) or 1 compound(g) (Bubbles)or 1 compound(l) (H2O)

  4. Double Replacement Reactions AB + CD AD + CB Because……the cations are A and C The anions are B and D And the cation ALWAYS goes first

  5. Double Replacement Reactions First you need to determine which product is aqueous. Then you need to determine the state of matter for the other compound.

  6. Double Replacement Reactions Solubility Chart – Memorize It

  7. Double Replacement Reactions Soluble – This means that the compound dissolves. The state of matter is (aq) Insoluble – This means that the compound does not dissolve. The state of matter is (s).

  8. Double Replacement Reaction MgCl2(aq) + 2AgNO3(aq) Mg(NO3)2(aq) + 2AgCl(s) Ionic: Break (aq) into ions Mg2+ + 2Cl- + 2Ag+ +2NO3- Mg2+ + 2NO3- + 2AgCl Net Ionic: Drop the spectator ions 2Cl- + 2Ag+ 2AgCl

  9. Double Replacement Reaction 3FeCl2(aq) + 2Na3PO4(aq) Fe3(PO4)2(s) + 6NaCl(aq) Ionic: 3Fe2+ + 6Cl- + 6Na+ + 2PO43- Fe3(PO4)2 + 6Na+ + 6Cl- Net Ionic: 3Fe2+ + 2PO43- Fe3(PO4)2

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