Date _________________Writing Word and Formula Equations Classwork
Name ______________________
Section A B C
For each problem, first write the formula of each reactant and product (with the state of matter in
parentheses). Then, put them together to make a complete chemical equation for the reaction.
1. Sulfur dioxide gas reacts with oxygen gas to produce sulfur trioxide gas.
a. Sulfur dioxide gas
b. Oxygen gas
c. Sulfur trioxide gas
d. Equation:
2. Solid iron (III) reacts with oxygen gas to yield solid iron (III) oxide
a. Solid iron
b. Oxygen gas
c. Solid iron(III) oxide
d. Equation:
3. Water reacts with dinitrogen trioxide gas to yield a solution of nitrous acid (HNO2).
a. water
b. dinitrogen trioxide gas
c. nitrous acid solution
d. Equation:
4. Solid iron (III) oxide reacts with hydrogen gas to produce solid iron and liquid water.
a. Solid iron (III) oxide
b. hydrogen gas
c. solid iron
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Date _________________Writing Word and Formula Equations Classwork
Name ______________________
Section A B C
d. liquid water
e. Equation:
5. Solid calcium oxide reacts with liquid water to produce a solution of calcium hydroxide.
a. solid calcium oxide
b. water
c. solution of calcium hydroxide
d. Equation:
6. Solid potassium chlorate will produce solid potassium chloride and oxygen gas.
a. solid potassium chlorate
b. solid potassium chloride
c. oxygen gas
d. Equation:
7. Solid aluminum plus a lead (II) nitrate solution yields a solution of aluminum nitrate plus solid lead.
a. solid aluminum
b. solution of lead(II) nitrate
c. solution of aluminum (3+) nitrate
d. solid lead
e. Equation
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Name ______________________
Writing
Word
and
Formula
Equations
Classwork
Date _________________
Section A B C
8. Solid copper plus silver nitrite solution yields a solution of copper (II) nitrite plus solid silver
a. solid copper
b. solution of silver nitrite
c. solution of copper(II) nitrite
d. solid silver
e. Equation:
9. A solution of calcium hydroxide plus hydrochloric acid yields a solution of calcium chloride
and water.
10. A solution of Potassium hydroxide plus a solution of phosphoric acid (H3PO4) yields a solution of
potassium phosphate and water.
11. A solution of magnesium bromide reacts with chlorine gas to produce a solution of
magnesium chloride and pure liquid bromine.
12. When a piece of pure sodium (solid) is dropped into water, it reacts chemically with the water
to produce a solution of sodium hydroxide and hydrogen gas is given off.
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Date _________________Writing Word and Formula Equations Classwork
Name ______________________
Section A B C
13. Crystalline potassium nitrate, when heated, decomposes into solid potassium nitrite and
oxygen gas.
14. Solid calcium oxide reacts with hydrochloric acid to form a solution of calcium chloride and
water as its products.
15. Solutions of aluminum nitrate and ammonium hydroxide are mixed together and the products
formed are a precipitate (solid) of aluminum hydroxide and a solution of ammonium nitrate.
16. Nitrogen gas and water vapor are the only products formed when solid ammonium nitrite
is heated strongly.
17. Pure potassium metal reacts chemically with chlorine gas to produce potassium
chloride crystals as the only product
18. Crystalline sodium chloride and oxygen gas are the products formed when solid sodium
chlorate is heated.
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