Advanced Honors / Honors Chemistry: Homework Set 8-3
1. Convert the following word equations into formula equations and balance.
a) Zinc and lead (II) nitrate react to form zinc nitrate and lead.
b) Aluminum bromide and chlorine gas react to form aluminum chloride and bromine gas.
c) Sodium phosphate and calcium chloride react to form calcium phosphate and sodium chloride.
d) Potassium metal and chlorine gas combine to form potassium chloride.
e) Hydrogen gas and nitrogen monoxide react to form water and nitrogen gas.
2. Convert the following word equations into formula equations and balance. Be sure to include state labels
and reaction conditions in the equation.
a) Oxygen gas reacts with solid copper metal to form copper (II) oxide solid.
b) Solid magnesium reacts with aqueous silver nitrate to form solid silver and aqueous magnesium nitrate.
c) Solid potassium metal reacts with water giving an aqueous solution of potassium hydroxide and
releasing hydrogen gas.
d) Dinitrogen pentoxide gas in the presence of a platinum catalyst and high temperature forms nitrogen gas
and oxygen gas.
e) Hydrogen gas and nitrogen monoxide react to form water and nitrogen gas.
3. For each of the following composition reactions, identify the missing reactant(s) or product(s), and then
balance the resulting equation.
a)
Ba +
______ 
b)
Li +
Cl2  ______
c)
Al + ______  AlBr3
BaO
4. Complete each of the following composition reactions, and then write a balanced chemical equation for the reaction.
a) sodium + oxygen 
________________
b) magnesium + fluorine 
________________
5. Complete and balance the equations for the following decomposition reactions.
a)
Ag2O 
b)
KCl 
6. Write and balance a chemical equation for each of the following reactions, and then identify each by type.
a) Calcium chlorate, when heated, produces calcium chloride and oxygen.
b) Aluminum reacts with oxygen to produce aluminum oxide.
c) Heating lead (II) carbonate yields lead (II) oxide and carbon dioxide.
d) Magnesium hydroxide forms magnesium oxide and water when heated.
e) Phosphoric acid (H3PO4) is produced through the reaction of tetraphosphorus decoxide and water.