STOICHIOMETRY
CHEMISTRY
\;\;\;+}\underset{Subscript}{3O_{{\color{Red}%20\mathbf{2}}}\;(g)\;\rightarrow}%20\;2Fe_{2}O_{3}\;(s) "\large \fn_cm \underset{Coefficient\;\;\;\;\;\;\;\;}{\mathbf{{\color{Red}%204}}Fe\;(s)\;\;\;+}\underset{Subscript}{3O_{{\color{Red}%20\mathbf{2}}}\;(g)\;\rightarrow}%20\;2Fe_{2}O_{3}\;(s)")
Using balanced chemical equations to calculate the amounts of reactants used and or product form.
DAILY LIFE
CHEMISTRY
Symbols used in chemical equations:
Law of conservation of mass: number and kind of atom in reaction = number and kind of atoms in product.
STEPS:
1. Balance metals
2. Balance non-metals
3. Balance Hydrogen
4. Balance Oxygen
5. Go back and check!
NEVER DO!:
1. Change a formula
2. Add a compound/element
Example:
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