Balanced Chemical Equations Worksheet
A Grade 9 science worksheet on understanding and balancing chemical equations, aligning with fundamental chemistry principles.
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Standards
Topics
Balanced Chemical Equations
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Read each question carefully and provide your best answer. Show all your work for balancing equations.
1. What principle is upheld when balancing a chemical equation?
Conservation of Energy
Conservation of Mass
Conservation of Volume
Conservation of Temperature
2. In a chemical equation, the substances on the left side of the arrow are called , and the substances on the right side are called .
3. Balance the following chemical equation: H₂ + O₂ → H₂O
4. Coefficients in a balanced chemical equation represent the number of atoms of each element in a compound.
True
False
5. Balance the following chemical equation: CH₄ + O₂ → CO₂ + H₂O
An example of a chemical reaction:
6. Why is it important for chemical equations to be balanced?