Formulae and equations

  • Created by: emews
  • Created on: 05-11-17 09:58
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  • Formulae and equations
    • The chemical formula of a compound shows how many of each type of atom join together to make the units which make up the compound
    • copper + oxygen ---> copper oxide
      • copper and oxygen are the reactants
      • copper oxide is the product
      • Needs to be balanced.
    • conservation of mass
      • Mass is never lost or gained in chemical reactions
      • Total mass of products = total mass of reactants
      • no atoms are created or destroyed.
    • Emprirical formulae
      • The epirical formula of a compound is the simplest whole number ratio of atoms of each element
      • It is determined using data from experiments


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