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If matter cannot be created or destroyed then

If matter cannot be created or destroyed then. Different amount of Reactants must be required to make the desired products. We change the amounts by added a “coefficient” Large number in front of each reactant and product until we have “Equal” amounts of atoms In the reactants and products.

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If matter cannot be created or destroyed then

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  1. If matter cannot be created or destroyed then • Different amount of Reactants must be required to make the desired products. • We change the amounts by added a “coefficient” Large number in front of each reactant and product until we have “Equal” amounts of atoms In the reactants and products

  2. How can you track where the atoms are going? • Create an Atom inventory Before and after a reaction occurs • Ex: Mn(s) + O2(g) > MnO Atom Inventory Before After Mn 1 Mn 1 O 2 O 1

  3. If the atoms are not equal you must change the amount of the reactants and product • The coefficient shows the number of each atom should be multiplyed by the the number in front • Ex: 2 Mn(s) + O2 > 2MnO • Do an atom inventory afterwards • Mn 2 Mn 2 • O 2 O 2 • This shows that 2 atoms of Mn + 2 atoms of O will create 2 atoms of Mn and 2 atoms O • It also shows that 2 atoms of Mn and 1 molecule of O2 • Creates 2 Formula Units of MnO

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