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what info does a balanced chemical equation provide?
identifies reactants, products, their quantities per each kind of atom involved in the rxn
Law of Conservation of Matter
matter cannot be created or destroyed, only reorganized
Relate the Law of Conservation of Matter and the need for a a balanced chemical equation
the same number ad kind of atom must be present before and after the rxn because matter cannot be created or destroyed
why are some substances soluble and some insoluble?
-water is a polar, covalent molecule
-dipoles in water are attracted to anions or cations respectively
-bent shape allows dipoles to surround anions/cations
-the dipole-ion attraction must be > than the electrostatic attraction between the ions in the compound
