Chemical Equation Writing Worksheet
Grade 9 Science worksheet focusing on balancing chemical equations, identifying reactants and products, and understanding states of matter in chemical reactions.
Includes
Standards
Topics
Chemical Equation Writing
Name:
Date:
Score:
Read each question carefully and provide your answers in the spaces provided. Show all your work for balancing equations.
1. In a chemical equation, the substances that react together are called:
Products
Reactants
Coefficients
2. What does the symbol '(aq)' next to a chemical formula indicate?
Solid state
Liquid state
Gaseous state
Aqueous solution
3. The law of of mass states that matter cannot be created or destroyed in a chemical reaction.
4. A chemical equation is when the number of atoms of each element is the same on both sides of the equation.
5. Balance the following chemical equation:
Fe + O₂ → Fe₂O₃
6. Identify the reactants and products in the following reaction:
CH₄ + 2O₂ → CO₂ + 2H₂O
7. Coefficients in a chemical equation can be changed to balance the equation.
True
False
8. Subscripts in a chemical formula can be changed to balance the equation.
True
False
Match the state of matter symbol with its meaning:
9. (s)
a. Gas
10. (l)
b. Aqueous solution
11. (g)
c. Liquid
12. (aq)
d. Solid
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