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Equation Quiz Study Guide      Tuesday, Jan 16       SET 1982


Abbreviations: Synthesis(Syn), Decomposition(Decomp), Single Replacement/Displacement(SR), Double Displacement/Replacement(DD), Oxidation-Reduction(Redox), Complex Ion(CompIon)

1.  Hydrogen gas is passed over hot iron (III) oxide.  (SR)

2.  Solutions of potassium iodide and potassium iodate are mixed in acid solution.  (Redox)

3.  Dilute sulfuric acid is added to solid calcium fluoride.  (DD)

4.  Solid ammonium carbonate is heated.  (Decomp)

5.  Methane gas is heated with an excess of chlorine gas.  (SR)

6.  A concentrated solution of ammonia is added to a suspension of zinc hydroxide.  (CompIon)

7.  Hydrogen peroxide is added to an acidified solution of sodium bromide.  (Redox)

8.  Dilute hydrochloric acid is added to a dilute solution of mercury (I) nitrate.  (DD)


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1. H2 (g) + Fe2O3 (s) ---> Fe (s) + H2O (l)

2. I (aq) + IO3 (aq) ---> I2 (g) + H2O (l)

3. H+ (aq) + SO42 (aq) + CaF2 (s) ---> HF (aq) + CaSO4 (s)

4. (NH4)2CO3 (s)---> H2O (l) + CO2 (g) + NH3 (g)

5. CH4 (g) + Cl2 (g) ---> CCl4 (g) + H+1Cl-1 (aq)

6. Zn(OH)2 + NH3 ---> Zn(NH3)42+ + OH

7. H2O2 + Br + H+ ---> Br2 + H2O

8. Hg22+ + Cl ---> Hg2Cl2