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Predicting Products of Chm Rxns. Synthesis. Synthesis. M + X M a X b. Synthesis. MO + CO 2 M a (CO 3 ) b. Synthesis. MO + SO 2 M a (SO 3 ) b. Decomposition. Heating metal carbonates. M x (CO 3 ) y M x O y + CO 2. Heating metal bicarbonates. M(HCO 3 ) y - PowerPoint PPT Presentation
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Predicting Products of Chm Rxns
Synthesis
Synthesis•M + X MaXb
Synthesis•MO + CO2 Ma(CO3)b
Synthesis•MO + SO2 Ma(SO3)b
Decomposition
Heating metal carbonates
Mx(CO3)y
MxOy + CO2
Heating metal bicarbonates
M(HCO3)y
MO + H2O + CO2
Heating ammonium carbonate
(NH4)2CO3
NH3 + H2O + CO2
Heating metal chlorates
M(ClO3)y
MCly + O2
Heating metal nitrates
M(NO3)y
M(NO2)y + O2
Active metals in water (SR)
M + H2O
M(OH)y + H2
Active metal oxides in water
MxOy + H2O
M(OH)y
Nonmetals oxide in water
XOn + H2O
HzXOm
Single Displacement
MaXb + Yc
MaYb + Xc
Single Displacement
MaXb + A
AaXb + M
Double Displacement
MaXb + AcYd
MeYf + AgXh
CombustionCxHyOz add O2
CO2 + H2O
REDOX
REDOX•Acidified or
basified X plus ox or red agent
Oxidizing Agents
MnO4-1
Cr2O7-2
Reducing Agents
Column I & II
CO
Oxidation•The ox # of something goes up while the ox # of the oxidizing agent goes down, then balance
Reduction•The ox # of something goes down while the ox # of the reducing agent goes up, then balance
Dehydrating Agent
Heat & H2SO4
Dehydration•Remove water
Acid/BaseHA + MOH
MA + HOH
Complex IonsPositive Metal ion plus: Cl- SCN-
CN- NH3 OCN-