Honors Chemistry PS.21

Name: ______Date: ______Mods: ______

Unit 7: Word Equations

Directions: Write the word equations below as chemical equations and balance:

1) Aqueous aluminum bromide and chlorine gas react to form aqueous aluminum chloride and bromine.

2) A copper coil is placed into a solution of silver nitrate resulting in the formation of silver crystals and a solution of copper (I) nitrate.

3) When lithium hydroxide pellets are added to a solution of sulfuric acid, aqueous lithium sulfate and water are formed.

4) A combustion reaction occurs between liquid pentanediol, C5H17O2, and oxygen gas to form water vapor and carbon dioxide

5) Zinc metal and aqueous lead (II) nitrate react to form aqueous zinc nitrate and lead.

6) Aqueous solutions of sodium phosphate and calcium chloride react to form solid calcium phosphate and aqueous sodium chloride.

7) Potassium metal and chlorine gas combine to form solid potassium chloride.

8) Aluminum metal and hydrochloric acid react to form aqueous aluminum chloride and hydrogen gas.

9) Aqueous calcium hydroxide and phosphoric acid react to form solid calcium phosphate and water.

10) Copper and sulfuric acid react to form aqueous copper (II) sulfate, water vapor, and gaseous sulfur dioxide.

11) Solid potassium chlorate when heated yields solid potassium chloride and oxygen gas.

12) Nitrogen gas plus hydrogen gas yields gaseous nitrogen tetrahydride (aka: ammonia).

13) Nitrogen gas plus oxygen gas react to form gaseous dinitrogen pentoxide.

14) Iron plus aqueous lead (II) sulfate react to form aqueous iron (II) sulfate plus lead.

15) Sulfuric acid decomposes to form sulfur trioxide gas plus water.

16) Solid sodium oxide combines with water to make aqueous sodium hydroxide.

17) Aqueous potassium iodide reacts with bromine forming aqueous potassium bromide plus iodine.

18) Aqueous sodium phosphate reacts with aqueous calcium nitrate to produce aqueous sodium nitrate plus solid calcium phosphate.

19) Zinc reacts with aqueous iron (III) chloride yielding aqueous zinc chloride plus iron.

20) Aqueous ammonium carbonate and aqueous magnesium sulfate react to yield aqueous ammonium sulfate plus solid magnesium carbonate.