Word Equations
"Hydrogen gas reacts with oxygen gas to form liquid water"
Hydrogen + Oxygen --> Water
Hydrogen + Oxygen --> Water
H2 + O2 --> H2O
NI3 --> N2 + I2
2NI3 --> N2 + 3I2
H2O 🡪 H2 + O2
Decomposition
Name this compound: MgO
magnesium oxide
"Sodium reacts with chlorine gas to produce sodium chloride"
Sodium + Chlorine --> Sodium Chloride
Aluminum + Oxygen --> Aluminum Oxide
Al + O2 --> Al2O3
Zn + Cu3N2 --> Cu + Zn3N2
3Zn + Cu3N2 --> 3Cu + Zn3N2
Li + Cl2 --> LiCl
Synthesis
Name this compound: KNO3
potassium nitrate
"Hydrogen peroxide decomposes to form water and oxygen gas"
Hydrogen peroxide --> water + oxygen
Fluorine + Calcium Bromide --> Calcium Fluoride + Bromine
F2 + CaBr2 --> CaF2 + Br2
BN + F2 --> BF3 + N2
2BN + 3F2 --> 2BF3 + N2
BeCl2 + Li → LiCl + Be
Single Displacement
Write the formula for: Beryllium nitride
Be3N2
"Magnesium metal reacts with Silver Nitrate to produce Magnesium Nitrate and Silver metal"
Magnesium + Silver Nitrate --> Silver + Magnesium Nitrate
Mercury (II) oxide --> Mercury + Oxygen
HgO --> Hg + O2
As + O2 --> As2O5
4As + 5O2 --> 2As2O5
Pb(NO3)2 + KI → PbI2 + KNO3
Double Displacement
Write the formula for: Calcium phosphate
Ca3(PO4)2
"When sodium sulfide and calcium chloride solutions are mixed, a precipitate of calcium sulfide and sodium chloride are formed"
Sodium Sulfide + Calcium chloride --> Calcium sulfide + Sodium chloride
Potassium carbonate + Barium chloride --> Barium carbonate + Potassium chloride
K2CO3 + BaCl2 --> BaCO3 + KCl
H2S + Al --> H2 + Al2S3
3H2S + 2Al --> 3H2 + Al2S3
KClO3 🡪 KCl + O2
Decomposition
Write the formula for: Sodium hydroxide
NaOH