Chem121-Chapter-3_Beekman_SH

Chem121-Chapter-3_Beekman_SH - Chapter 3 Stoichiometry:...

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1 Chapter 3 Stoichiometry: Calculations with Chemical Formulas & Equations © R. Spinney 2010 Chemical Equations Equal quantities of matter exist before and after the chemical reaction (rxn). At the atomic level: atoms are neither created or destroyed during a chemical rxns! This is the foundation of chemical equations: descriptions of chemical rxns. reactant(s) product(s) potassium + water potassium hydroxide + hydrogen Stoichiometry = accounting of chemistry . Numerical balance sheet of a reaction.
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