https://www.khanacademy.org/science/cambridge-o-level-chemistry-cie/x8bc8fb44369617ed:stoichiometry/x8bc8fb44369617ed:formulae/v/worked-examples-balancing-chemical-equations 2025-03-21T20:29:57.678923887Z Worked examples: Balancing chemical equations Balancing chemical equations ensures they follow the law of conservation of matter—atoms are neither created nor destroyed, only rearranged. We adjust coefficients, not subscripts, to equalize atom counts on both sides of the equation. Coefficients must be in their simplest whole-number ratio to accurately represent the reaction. Mahesh Shenoy video https://cdn.kastatic.org/ka_thumbnails_cache/39c711a7-6e08-4746-a59e-b633f650a089_1280_720_base.png Worked examples: Balancing chemical equations Balancing chemical equations ensures they follow the law of conservation of matter—atoms are neither created nor destroyed, only rearranged. We adjust coefficients, not subscripts, to equalize atom counts on both sides of the equation. Coefficients must be in their simplest whole-number ratio to accurately represent the reaction. https://cdn.kastatic.org/ka-youtube-converted/Z2IOoAhQbX4.mp4/Z2IOoAhQbX4.mp4 464 Balancing chemical equations https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:chemical-reactions/x2613d8165d88df5e:balancing-chemical-equations/v/visually-understanding-balancing-chemical-equations 2023-12-18T19:15:22.874322042Z Visually understanding balancing chemical equations A balanced chemical equation shows the same number of each type of atom on both sides of the arrow. We can relate a balanced chemical equation to the structural formulas of its reactants and products. video https://cdn.kastatic.org/googleusercontent/0w38eUUC_h0aouhDV-TvRWuC445_bCbCllnwINyYdu98DnrJebRCx0Ru4whGW3CYPChV05pF2so1_AsX7M925HjL Visually understanding balancing chemical equations A balanced chemical equation shows the same number of each type of atom on both sides of the arrow. We can relate a balanced chemical equation to the structural formulas of its reactants and products. https://cdn.kastatic.org/ka-youtube-converted/HbIdp5DURJA.mp4/HbIdp5DURJA.mp4 277 Balancing chemical equations https://www.khanacademy.org/science/cambridge-o-level-chemistry-cie/x8bc8fb44369617ed:stoichiometry/x8bc8fb44369617ed:formulae/a/balancing-chemical-equations 2026-04-29T07:20:45.495372596Z Learn and try: Balancing chemical equations Learn how to balance chemical equations by ensuring the same number of each type of atom appears on both sides of the equation. Explore why chemical equations must be balanced and the step-by-step process for achieving balance. article https://www.khanacademy.org/science/ms-chemistry/xc370bc422b7f75fc:chemical-changes/xc370bc422b7f75fc:chemical-reactions/e/apply-balancing-chemical-equations 2026-06-29T17:40:41.821508738Z Apply: Balancing chemical equations Apply your understanding of balancing chemical equations in this set of free, standards-aligned practice questions. donna exercise