Balancing
KClO3 → KCl + O2
2KClO3 → 2KCl + 3O2
HCl + NaOH → NaCl + H2O
NaCl + H2O
Write a skeleton equation for the following word equation:
potassium and water react to produce potassium hydroxide and hydrogen gas
K + H2O → KOH + H2
What type of reaction is this:
2HgO → 2Hg + O2
Decomposition
What does this ⇌ mean?
Reversible Reaction
K + Al(NO3)3 → Al + KNO3
3K + Al(NO3)3 → Al + 3KNO3
Ca2+ + CuBr2 →
Cu + CaBr2
Write a skeleton equation for the following word equation:
calcium hydroxide reacts with phosphoric acid to produce calcium phosphate water
Ca(OH)2 + H3PO4 → Ca3(PO4)2 + H2O
What type of reaction is this:
2NH3 + O2 → 2NO + H2
Single Replacement
A precipitate
Mg + HCl → MgCl2 + H2
Mg + 2HCl → MgCl2 + H2
Mg+2 + 2AgNO3 →
2Ag + Mg(NO3)2
Write a skeleton equation for the following word equation:
Nitrogen gas reacts with hydrogen gas to produce ammonia
N2 + H2 → NH3
What type of reaction is this:
3Ag2SO4 + 2AlCl3 → 6AgCl + Al2(SO4)3
Double Replacement
What is the last step in balancing chemical reactions?
Check your work
AgSO4 + AlCl3 → AgCl + Al2(SO4)3
3AgSO4 + 2AlCl3 → 6AgCl + Al2(SO4)3
3Ca(OH)2 + 2H3PO4 →
Ca3(PO4)2 + 6H2O
Write a skeleton equation for the following word equation:
lead (II) nitrate and sodium bromide react to produce lead (II) bromide and sodium nitrate
Pb(NO3)2 + NaBr → PbBr2 + NaNO3
What type of reaction is this:
K2O + H2O → 2KOH
Synthesis
What is another name for a chemical reaction?
A chemical change
Zn + HNO3 → Zn(NO3)2 + H2O + N2O
4Zn + 10HNO3 → 4Zn(NO3)2 + 5H2O + N2O4
4FeO + O2 →
2Fe2O3
Write a skeleton equation for the following word equation:
ammonium nitrate and potassium hydroxide react to produce ammonium hydroxide and potassium nitrate
NH4NO3 + KOH → NH4OH + KNO3
What type of reaction is this:
C3H8 + 5O2 → 3CO2 + 4H2O
Combustion
You must check what when writing a single or double replacement reaction?
Activity Series Chart