eng-spring07-q204

eng-spring07-q204 - i. S in S 6...

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CHEM 151: Quiz 4 NAME ___________________________ ID #_______________ Show your work for full credit Eng Q204 If you do not know the compound formula(e), Dr. Eng will give you the formula(e) at a cost of 1 point per compound. For problems 1 – 2, please use the following answers to state the driving force for the listed reactions of the following aqueous solutions. (a) gas formation (b) formation of a weak/non-electrolyte (c) precipitate formation (d) the reaction does not occur 1. (3 pts) The reaction of iron (III) sulfide with nitric acid. 2. (3 pts) The reaction of perchloric acid and potassium hydroxide. 3. (3 pts) A gas will form when hydroiodic acid is added to an aqueous solution of _______. (a) ammonium chloride (b) iron (III) sulfate (c) copper (II) nitrate (d) zinc carbonate 4. (3 pts) Is the following reaction product or reactant -favored? Circle one. NaCl (aq) + Fe 2 S 3 (s) FeCl 3 (aq) + Na 2 S (aq) 5. (6 pts) Determine the oxidation state of the listed element in the given compound.
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Unformatted text preview: i. S in S 6 _____________________________ ii. O in ClO 4-_____________________________ iii. H in LiH _____________________________ 6. (7 pts) Write the balanced, total, and net ionic equations for the reaction of aqueous ammonium carbonate with aqueous calcium acetate. Also, identify the spectator ions. CHEM 151: Quiz 4 NAME ___________________________ ID #_______________ Show your work for full credit Eng Q204 SOLUBLE COMPOUNDS Almost all salts of Na + , K + , NH 4 + Salts of nitrate, chlorate, perchlorate, acetate EXCEPTIONS Almost all salts of Cl-, Br-, I- Halides of Ag + , Hg 2 2+ , Pb 2+ Compounds containing F- Fluorides of Mg 2+ , Ca 2+ , Sr 2+ , Ba 2+ , Pb 2+ Salts of sulfate Sulfates of Ca 2+ , Sr 2+ , Ba 2+ , Pb 2+ INSOLUBLE COMPOUNDS EXCEPTIONS Most salts of carbonate, phosphate, oxalate, chromate Salts of NH 4 + and the alkali metal cations Most metal sulfides Most metal hydroxides and oxides Ba(OH) 2 is soluble...
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eng-spring07-q204 - i. S in S 6...

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