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Published byLillian Cook Modified over 9 years ago
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8.3 – Activity Series & Solubility Rules
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Activity = ability of an element to react easier an element reacts, the higher the activity activity series ◦ list of elements organized according to activities ◦ listed from highest activity to lowest
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metals ◦ greater activity = easier to lose electrons ◦ i.e. easier to become a cation nonmetals ◦ greater activity = easier to gain electrons ◦ i.e. easier to become an anion
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used to predict whether single replacement reactions will occur most active element is higher on list an element can replace anything below it but not anything above it I will give you a copy of the activity series to use on test
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zinc and hydrochloric acid calcium and lead (II) nitrate copper and lithium sulfate bromine and iron (II) chloride
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Used to predict the formation of a precipitate in double replacement reactions If a compound is listed as “insoluble”, “slightly soluble”, or “marginally soluble”, it will be written as a solid in reaction. If a compound is listed as “soluble” it will be written as aqueous. Basic solubility rules can be found on p. 427 of your book (I will give you a copy to use for the test)
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Ammonium sulfide & cadmium nitrate potassium sulfate & barium chloride sodium nitrate & magnesium sulfate nickel (II) chloride & lithium hydroxide
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How to write formulas How to classify a reaction from the reactants only ◦ Synthesis, decomposition, and combustion rxns always happen ◦ Single replacements only occur if the activity series says it will ◦ Double replacements only occur if the solubility rules says it will How to predict products How to balance reactions
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