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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