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Grade 8 Science
Chemical Reactions
10. Factors
Chemical Equations, Balancing equations
Master Chemical Equations & Balancing: Conservation of Mass Explained
Learners will explore how to write and balance chemical equations using coefficients, applying the Law of Conservation of Mass to every reaction type.
What You'll Learn
Balanced equations have equal atom counts on both sides always.
Coefficients adjust molecule amounts without changing compound identity.
The Law of Conservation of Mass governs all chemical equation balancing.
Five reaction types each follow distinct patterns for systematic balancing.
What You'll Practice
1
Students balance equations for synthesis, combustion, and decomposition reactions.
2
Practice questions test counting atoms using coefficients and subscripts correctly.
3
Learners identify whether equations satisfy the Law of Conservation of Mass.
Why This Matters
Balancing chemical equations is a foundational chemistry skill that underpins all scientific understanding of how matter transforms during reactions.
This Unit Includes
Practice exercises
Learning resources
Skills
Balancing Equations
Conservation of Mass
Coefficients
Reaction Types
Chemical Formulas
