1. Can you identify the type of reaction and predict what gets made?
Types of Reactions
Can you identify the type of reaction and predict what gets made?

2. Types of Chemical Reactions
There are thousands of different chemical reactions.
4 Major Types (Patterns)
Synthesis
Decomposition
Single Displacement
Double Displacement

3. 1. Synthesis Two reactants combine to make a new substance. X + Y  XY
ie. Na + Cl2  H2O (When 2 become 1.)

4. Synthesis
Tom
Katie
Tomcat

5. Synthesis Rxn Real Life: Table Salt

6. 2. Decomposition One substance breaks apart into 2 substances.
XY  X Y
ie. H2O2  H2O + O (Breakin’ Down)

7. Decomposition
Ben
Jennifer
Bennifer

8. Decomposition Demo: Peroxide Marshmallow Experiment
Peroxide in 100 mL grad cylinder placed in large container. Add hand soap and small amount KI

9. Decomposition Rxn Real Life:
Ammonium Nitrate (Fertilizer)
Carbonic acid (Pop Fizz)

10. Is each reaction synthesis or decomposition?
Ag2CO3  Ag2O + CO2
P4 + O2  P4O10
Fe + O2  Fe2O3
KClO3  KCl + O2
Synthesis
Synthesis
Decomposition

11. Synthesis Decomposition

12. 3. Single Displacement
One element takes the place (displaces) of another element in a compound.
Like stealing a dance partner.
A BX  AX B
ie. HCl + Zn  H2 + ZnCl2

13. Brad & Jen
Angelina
Jennifer
Brangelina

14. Single Displacement Rxn Real Life:
2AgNO3(aq) + Cu(s)  Cu(NO3)2(aq) + 2Ag(s)

15. 4. Double Displacement
Cations of two compounds exchange places to form 2 new compounds. Like switching dance partners.
AB CD  AD CB
ie. NaOH + HCl  NaCl + H2O

16. Dawson
& Joey
Pacey & Jen
Pacey
& Jen

17. Double Displacement Rxn Real Life:
NaOH(aq) + HCl(aq)  NaCl(aq) + H2O(l)

18. Double Displacement Demo: Lead Iodide production
Add a few drops of Pb(NO3)2 to some KI.
Equation: Pb(NO3)2 + KI  PbI2 + KNO3

19. Try Some. Is it single displacement (SD) or double displacement (DD)?
NaBr + Ca(OH)2  CaBr2 + NaOH
Pb + H3PO4  H2 + Pb3(PO4)2
Li3N + NH4NO3  LiNO (NH4)3N
CuSO4 + Al  Al2(SO4)3 + Cu DD SD DD SD

20. Putting it all together: Which Type of Reactions are the following:
Decomposition
a) H2O  H2 + O2
b) SiO2 + HF  SiF4 + H2O
c) H2 + O2  H2O
d) Cu + HCl  H2 + CuCl2
Double
Displacement
Synthesis
Single
Displacement

21. Pick your answer from this box
Predict What Gets Made
Al + Cl2 
CuF2 + K 
MgO 
CaS + FeN 
Pick your answer from this box
Mg Ca3N F2 KF2
Cu N2 AlCl2 CaFe
AlF3 FeS O2 SN