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Understanding chemical reactions

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Why this, why now

This unit covers the conservation of mass in changes of state and chemical reactions, including atom rearrangement. It also focuses on representing reactions with formulae and equations, exploring combustion, decomposition, and displacement, and distinguishing chemical from physical changes.

Prior knowledge requirements

  • Ardaydu waa inay yaqaanaan aasaaska maadada.
  • Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 3 / 4

Understanding chemical reactions

This unit covers the conservation of mass in changes of state and chemical reactions, including atom rearrangement. It also focuses on representing reactions with formulae and equations, exploring combustion, decomposition, and displacement, and distinguishing chemical from physical changes.

6 lessons
  1. Chemical reactions: oxidation
  2. Chemical reactions: combustion
  3. Chemical reactions: decomposition
  4. Chemical reactions: precipitation
  5. Characteristics of chemical reactions
  6. Conservation of mass and balanced symbol equations