Worksheet #1: Writing and Balancing Formula Equations
Worksheet #1: Writing and Balancing Formula Equations
Step 1: Write each formula and balance each formula using SUBSCRIPTS.
Step 2: Balance the overall equation using coefficients.
1. sulfur + oxygen ( sulfur dioxide
2. zinc + sulfuric acid ( zinc sulfate + hydrogen
3. hydrogen + nitrogen ( ammonia
4. hydrogen + chlorine ( hydrogen chloride
5. carbon + water ( carbon monoxide + hydrogen
6. calcium oxide + water ( calcium hydroxide
7. phosphorus + oxygen ( diphosphorus pentoxide
8. hydrochloric acid + sodium hydroxide ( sodium chloride + water
9. barium chloride + sulfuric acid ( barium sulfate + hydrochloric acid
10. aluminum sulfate + calcium hydroxide ( aluminum hydroxide + calcium sulfate
11. ethane (C2H6) + oxygen ( carbon dioxide + water
12. aluminum oxide ( aluminum + oxygen
Worksheet #2: Synthesis Reactions
In synthesis reactions, two or more reactants come together to form one compound.
A + B ( AB
Complete the following word equations, and write and balance the formula equation.
1. calcium + oxygen (
2. copper + sulfur ( copper(II) sulfide
3. calcium oxide + water ( calcium hydroxide
4. hydrogen + nitrogen (
5. hydrogen + chlorine (
6. silver + sulfur (
7. chromium + oxygen (
8. aluminum + bromine (
9. sodium + iodine (
10. hydrogen + oxygen (
11. aluminum + oxygen (
Worksheet #3: Decomposition Reactions
In decomposition reactions, one compound will break down into two or more parts.
1. barium carbonate (
2. magnesium carbonate (
3. potassium carbonate (
4. zinc hydroxide (
5. Iron(II) hydroxide (
6. nickel(II) chlorate (
7. sodium chlorate (
8. potassium chlorate (
9. sulfuric acid (
10. carbonic acid (
11. aluminum oxide (
12. silver oxide (
Worksheet #4: Single-Replacement Reactions
Step 1 - Write the formulas of the reactants on the left of the yield sign
Step 2 - Look at the Activity Series to determine if the replacement can happen
Step 3 - If the replacement can occur, complete the reaction and balance it. If the reaction
cannot happen, write N.R. (no rxn) on the product side.
1. lead + zinc acetate (
2. iron + aluminum oxide (
3. silver nitrate + nickel (
4. sodium bromide + iodine (
5. aluminum bromide + chlorine (
6. sodium iodide + bromine (
7. calcium + hydrochloric acid (
8. magnesium + nitric acid (
9. silver + sulfuric acid (
10. potassium + water (
11. sodium + water (
Worksheet #5: Double-Replacement Reactions
In these reactions, all you do is look at the names of the reactants, and "switch partners". Just be sure that the new pairs come out with the positive ion named first, and paired with a negative ion.
1. aluminum iodide + mercury(II) chloride (
2. silver nitrate + potassium phosphate (
3. copper(II) bromide + aluminum chloride (
4. calcium acetate + sodium carbonate (
5. ammonium chloride + mercury(I) acetate (
6. calcium nitrate + hydrochloric acid (
7. iron(II) sulfide + hydrochloric acid (
8. copper(II) hydroxide + acetic acid (
9. calcium hydroxide + phosphoric acid (
10. calcium bromide + potassium hydroxide (
Examine the products of the reactions on this page, and determine in each whether a gas, water, or a precipitate is formed. Use the solubility table in Appendix A of your textbook to determine the solubilities of the reaction products. If there is no gas, water, or precipitate produced, put an "X" through the yield sign, because no reaction occurs.
Worksheet #6: Combustion Reactions
We will focus on the combustion of hydrocarbons. Hydrocarbons react with oxygen to form carbon dioxide and water.
1. methane (CH4) + oxygen (
2. ethane (C2H6) + oxygen (
3. propane (C3H8) + oxygen (
4. butane (C4H10) + oxygen (
5. pentane (C5H12) + oxygen (
6. hexane (C6H14) + oxygen (
7. ethene (C2H4) + oxygen (
8. ethyne (C2H2) + oxygen (
9. benzene (C6H6) + oxygen (
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