Cu
Copper
NH4+
Ammonium
A reaction that changes a compound into its constituent elements.
Decomposition reaction.
NH3 + H2SO4 ---- (NH4)2SO4
2NH3 + H2SO4 ---- (NH4)2SO4
GaCL3
176.2 amu or g/mole
Ba
Barium
OH-
Hydroxide
A reaction in which O2 is added to a compound containing C & H, producing CO2 & H2O
Complete combustion
H2 + N2 ---- NH3
3H2 + N2 ---- 2NH3
NaSO4
142.1 amu or g/mole
Mg
Magnesium
CN-
Cyanide
A reaction that starts with 2 or more elements and produces 1 compound.
Formation reaction.
KAgC2N2 + Zn ---- Ag + ZnC2N2 + KCN
2KAgC2N2 + Zn ---- 2Ag + ZnC2N2 + 2KCN
Ba(OH)2
137.3 amu or g/mole
Ag
Silver
SO4-2
Sulfate
A reaction in which O2 is added to a compound containing C & H, producing CO & H2O.
Incomplete combustion.
C6H12O6 + O2 ---- CO2 +H2O
C6H12O6 + 6O2 ---- 6CO2 + 6H2O
sugar, i.e., C6H12O6
180.1 amu or g/mole
Ga
Gallium
CO3-2
Carbonate
A reaction in which O2 is added to a compound containing C & H, producing C & H2O.
Incomplete combustion.
C8C18 + O2 ---- CO2 + H2O
2C8C18 + 25O2 ---- 16CO2 + 18H2O
Al(NO3)3
213.0 amu or g/mole