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Microscale chemistry: mass changes in chemical reactions

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Perform two chemical reactions to see whether any mass changes occur

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Republic of Ireland
- Junior Cycle
  - Science
    - Chemical world
      - Building blocks
        1. Investigate whether mass is unchanged when chemical and physical changes take place.
        2. Develop and use models to describe the nature of matter; demonstrate how they provide a simple way to to account for the conservation of mass, changes of state, physical change, chemical change, mixtures, and their separation.
        4. Classify substances as elements, compounds, mixtures, metals, non-metals, solids, liquids, gases and solutions.
Wales
- GCSE
  - WJEC Combined science
    - Unit 2: Chemistry 1
      - 2.1 THE NATURE OF SUBSTANCES AND CHEMICAL REACTIONS
        (k) chemical reactions as a process of re-arrangement of the atoms present in the reactants to form one or more products, which have the same total number of each type of atom as the reactants
  - WJEC Chemistry
    - Unit 1: CHEMICAL SUBSTANCES, REACTIONS and ESSENTIAL RESOURCES
      - 1.1 THE NATURE OF SUBSTANCES AND CHEMICAL REACTIONS
        (k) chemical reactions as a process of re-arrangement of the atoms present in the reactants to form one or more products, which have the same total number of each type of atom as the reactants
England
- GCSE

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