Reaction types.notebook
March 13, 2013
Reaction Types
1. Combination (synthesis) 2 ­­­­> 1 2. Decomposition 1­­­­­­­>2
3. Single replacement E + C ­­­> E+C
4. Double Replacement C + C ­­­­­­> C + C
5. Combustion CH + O2 ­­­­­­­> CO2 + H2O complete
CH + O2 ­­­­­­­> CO + H2O incomplete Feb 23­3:04 PM
Combination (synthesis) 2 ­­­­> 1
4 Kinds of Combination Reactions
1. Combination of Elements
Fe + S ­­­­> FeS
Na + Cl2 ­­­­­­> Al + O2­­­­­­­­> Feb 23­3:04 PM
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Reaction types.notebook
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2. Non metal oxide (NM­O) + water ­­­­­­> Acid (H­NM­O)
SO2 + H2O ­­­­­­­­> H2SO3
CO 2
+ H2O ­­­­­­­> N2O3 + H2O ­­­­­­­> Feb 23­3:04 PM
3. Metal Oxide (M­O) + water ­­­­­­> hydroxide (M­OH)
Na2O + H2O ­­­­­­> NaOH
CaO + H2O ­­­­­­> BaO + H2O ­­­­­­­­>
Feb 23­3:04 PM
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4. Nonmetal oxide(NM­O) + metal oxide (M­O) ­­> ternary (M­NM­O)
CO2 + Na2O ­­­­­> Na2CO3
SO2 + Mg O ­­­­­­­­> Feb 23­3:04 PM
p331 # 13­14 combination RXN
13. Be + O 2­­> 14. magnesium nitride
­­> Mg 3N2
Feb 24­9:41 AM
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Reaction types.notebook
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Decomposition 1­­­­­­­> 2 5 kinds of Decomposition Reactions
1. Binary Compounds decompose into their elements:
H2O ­­­> Au2O3 ­­­­­> Feb 23­3:04 PM
2. Oxyacids form nonmetal oxides and water. Take away H2O
H2SO4­­­­­­­­­>
H2CO3­­­­­­­­­­>
Feb 23­3:04 PM
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3. Metal Carbonates (CO3­) form metal oxides and CO2.
Take away CO2
Na 2
CO3­­­­­­­>
CaCO3­­­­­­­­­>
MgCO3­­­­­­­­­>
Feb 23­3:04 PM
4. Metal Hydroxides (OH­) form metal oxides and water
NaOH­­­­­­­­>
Ca(OH)2 ­­­­­­­­­­­­>
Feb 23­3:04 PM
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5. Metal Chlorates (ClO3­) form metal chlorides (M­Cl) and O2
NaClO3­­­­­­­­­­­>
Ca(ClO3)2­­­­­­­­­­>
Feb 23­3:04 PM
p 332 # 15­16
15. HI ­­>
16. ­­> H 2 + Br 2
Feb 24­10:28 AM
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Reaction types.notebook
March 13, 2013
Single replacement
E + C ­­­> E+C
4 kinds of single replacement reactions: use activity series
Metals: Non­Metals:
lithium potassium strontium calcium sodium magnesium aluminum zinc chromium iron cadmium cobalt nickel tin lead F
Cl
Br
I
HYDROGEN antimony arsenic bismuth copper mercury silver paladium platinum gold Feb 23­3:04 PM
1. Active metal replaces a less active metal
Cu + HgCl2­­­­­­­­­­­>
Al + Fe2O3­­­­­­­­­­>
Al + NaCl­­­­­­­­­­­>
Mar 1­10:25 AM
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2. Active nonmetal replaces a less active nonmetal
Br2 + KI ­­­­­­­>
F2 + NaCl­­­­­­­­­­>
I2 + NaF­­­­­­­­­­­­­>
Feb 23­3:04 PM
3. Active metals replace H in H2O to form hydroxides (OH­)
Na + H2O ­­­­­­­­­­­>
Ca + H2O ­­­­­­­­­­­­­>
Feb 23­3:04 PM
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Reaction types.notebook
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4. Active metals replace H in acids.
Zn + HCl­­­­­­­­­­­­>
Fe + H2SO4 ­­­­­­­­­­­­­>
Feb 23­3:04 PM
Double Replacement R S + T U ­­­­­­> R U + T S
Involves a change in positive ions between 2 compounds
NaOH + H2SO4 ­­­­­­­­­­>
BaCl2 + K2CO3 ­­­­­­­­­­>
FeS + HCl ­­­­­­­­­­­>
Feb 23­3:04 PM
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Reaction types.notebook
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2 types of Combustion Reactions
Burning = reaction with oxygen (O
2)
Hydrocarbon Cx Hy + O2
Complete combustion products:
CO2 + H2O
Incomplete combustion products: CO + H2O
Feb 23­3:04 PM
C8 H18 + O2 ­­­­­­­­­­­> CO2 + H2O
C8 H18 + O2 ­­­­­­­­­­­> CO + H2O
Feb 23­3:04 PM
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Reaction types.notebook
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Classwork/ Homework:
p 334 # 17
p 335 # 18
p 337# 20­21
p 348# 56­60, 62­64,66
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
p 347 # 48­51
p 339 # 24
p 347 # 52
p 349 #67
Feb 23­3:12 PM
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