All the reactions you observed in this experiment are listed below, organized by type of reaction. Translate each word equation into a chemical equation (including physical states) by writing the chemical formula corresponding to each element or compound name, then balance the equation.

IV. Double-Replacement/Precipitation Reactions

a. calcium chloride(aq) + sodium phosphate(aq) ---> calcium phosphate(s) + sodium chloride(aq)

b. iron(III) chloride(aq) + sodium hydroxide(aq) ---> iron(III) hydroxide(s) + sodium chloride(aq)

c. barium chloride(aq) + sodium sulfate(aq) --> barium sulfate(s) + sodium chloride(aq)

d. Explain why no precipitate formed when solutions of iron(III) chloride and sodium sulfate were combined.

V. Double-Replacement/Acid-Base Neutralization Reactions

1. hydrochloric acid + sodium hydroxide (aq) --> water + sodium chloride(aq)

2. sulfuric acid + sodium hydroxide (aq) --> water + sodium sulfate(aq)

3. phosphoric acid + potassium hydroxide (aq) --> water + potassium phosphate(aq)

V. Combustion Reactions

a. liquid ethanol (C2H5OH) + oxygen gas ---> carbon dioxide gas + steam