Reaction Type

1
Reaction Type?

• 2Fe O2 ? 2FeO
• 4Fe 3O2 ? 2Fe2O3
• 2C4H1013O2?8CO210H2O
• Ca(OH)2H3PO4?Ca3(PO4)2H2O

2

• 2NaCl ? 2Na Cl2
• 2NaH2O ? 2NaOHH2
• N2 3H2 ? 2NH3
• HCl FeS ? FeCl2H2S
• FeCuSO4 ? FeSO4Cu

3

• 2P 3Cl2 ? 2PCl3
• HClAgNO3?HNO3AgCl
• C7H1611O2 ? 7CO28H2O
• P4O10 6H2O ? 4H3PO4
• 3Fe4H2O ? Fe3O44H2

4

• 2H3PO4 ? H4P2O7 H2O
• Al2(SO4)33Ca(OH)2 ?
• 2Al(OH)33CaSO4
• CaC22H2O ?C2H2Ca(OH)2
• Fe2O3 3C ? 3CO2Fe

5

• 2MgNH4PO4 ?
• Mg2P2O72NH3H2O
• 2As6NaOH?2Na3AsO33H2
• C10H168Cl2 ? 10C16HCl
• AgNO3Cu ? CuNO3 Ag

6

• Write a balanced chemical equation for the
  reaction in which sodium and oxygen combine to
  form sodium oxide.

7
Solution

• a homogeneous mixture of substances in one
  physical state.

8
Precipitation

• process of ions leaving a solution to reform the
  ionic solid.

9

• 2 KI(aq) Pb(NO3)2(aq)? PbI2(s) 2 KNO3(aq)

10
Complete Ionic Equation

• shows all soluble substances as ions, even if
  they dont react.

11

• 2 NaOH(aq) CuSO4(aq) ? Cu(OH)2(s)Na2SO4(aq)

12

• 2 Na(aq) 2 OH-(aq)
• Cu2(aq) SO42- (aq)
• ? Cu(OH)2(s) 2 Na(aq) SO42-(aq)

13
Spectator Ion

• an ion that is NOT involved in a chemical
  reaction, even though it is present in the
  solution.

14

• 2 Na(aq) 2 OH- (aq)
• Cu2(aq) SO42- (aq)
• ? Cu(OH)2(s) 2 Na(aq) SO42-(aq)

15

• 2 OH-(aq) Cu2(aq)
• ? Cu(OH)2(s)

16
Net Ionic Equation

• a chemical equation that shows only the compounds
  and ions that undergo a chemical change in an
  aqueous solution.

17

• 2 K(aq) 2 I- (aq)
• Pb2(aq) 2NO3-(aq)
• ? PbI2(s) 2 K(aq)
• 2NO3-(aq)

18
net ionic equation

• 2I-(aq) Pb2(aq)?PbI2(s)

19
Reaction

• BaCl2(aq) Na2SO4(aq) ? BaSO4(s) 2NaCl(aq)

20
Which are the Spectator Ions?

• Ba2(aq) 2Cl-(aq) 2Na(aq) SO42-(aq) ?
  2Na(aq) 2Cl-(aq) BaSO4(s)

21
Net Ionic equation

• Ba2(aq) SO42-(aq) ? BaSO4(s)

22
Double replacement

• HBr(aq) NaOH(aq) ? H2O(l) NaBr(aq)

23
Double replacement

• 2HI(aq) Li2S(aq) ? H2S(g) 2LiI(aq)