Equations 03-06

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ndhejduk
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60298
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Equations 03-06
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2011-02-02 17:44:43
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Chemistry Equations
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AP Chem equations and answers
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  1. A strip of zinc is placed in a solution of nickel(II) nitrate.
    Zn + Ni2+ ® Ni + Zn2+
  2. Solid aluminum hydroxide is added to a concen­trated solution of potassium hydroxide.
    Al(OH)3 + OH ® Al(OH)4 OR Al(OH)63–
  3. Ethyne (acetylene) is burned in air.
    C2H2 + O2 ® H2O + CO2
  4. Solid calcium carbonate is added to a solution of ethanoic (acetic) acid.
    CaCO3+ CH3COOH ® H2O + CO2 + Ca2+ + CH3COO
  5. Lithium metal is strongly heated in nitrogen gas.
    Li + N2 ® Li3N
  6. Boron trifluoride gas is added to ammonia gas.
    BF3 + NH3 ® BF3NH3
  7. Sulfur trioxide gas is bubbled into a solution of sodium hydroxide.
    SO3 + OH ® H2O + SO42–
  8. Equal volumes of 0.1 M solutions of lead(II) nitrate and magnesium iodide are combined.
    Pb2+ + I ® PbI2
  9. Solid potassium chlorate is strongly heated.
    KClO3 ® KCl + O2
  10. Solid silver chloride is added to a solution of concentrated hydrochloric acid.
    AgCl + Cl ® [AgCl2]
  11. A solution of ethanoic (acetic) acid is added to a solution of barium hydroxide.
    CH3COOH + OH ® CH3COO + H2O
  12. Ammonia gas is bubbled into a solution of hydrofluoric acid.
    NH3 + HF ® NH4+ + F
  13. Zinc metal is placed in a solution of copper(II) sulfate.
    Zn + Cu2+ ® Cu + Zn2+
  14. Hydrogen phosphide (phosphine) gas is added to boron trichloride gas.
    H3P + BCl3 ® H3PBCl3
  15. A solution of nickel(II) bromide is added to a solution of potassium hydroxide.
    Ni2+ + OH ® Ni(OH)2
  16. Hexane is combusted in air.
    C6H14 + O2 ® CO2 + H2O
  17. A solution of copper(II) sulfate is spilled onto a sheet of freshly polished aluminum metal.
    Al + Cu2+ ® Cu + Al3+
  18. Dimethyl ether is burned in air.
    (CH3)2O + O2 ® H2O + CO2
  19. A 0.1 M nitrous acid solution is added to the same volume of a 0.1 M sodium hydroxide solution.
    HNO2 + OH ® H2O + NO2
  20. Hydrogen iodide gas is bubbled into a solution of lithium carbonate.
    HI + CO32– ® H2O + CO2 + I
  21. An acidic solution of potassium dichromate is added to a solution of iron(II) nitrate.
    H+ + Cr2O72– + Fe2+ ® H2O + Cr3+ + Fe3+
  22. Excess concentrated aqueous ammonia is added to a solution of nickel(II) bromide.
    NH3 + Ni2+ ® [Ni(NH3)4]2+
  23. A solution of sodium phosphate is added to a solu­tion of aluminum nitrate.
    PO43– + Al3+ ® AlPO4
  24. Concentrated hydrochloric acid is added to a solu­tion of sodium sulfide.
    H+ + HS ® H2S OR H+ + S2– ® H2S
  25. A solution of potassium phosphate is mixed with a solution of calcium acetate.
    PO43– + Ca2+ ® Ca3(PO4)2
  26. Solid zinc carbonate is added to 1.0 M sulfuric acid.
    ZnCO3 + H+ ® Zn2+ + H2O + CO2
  27. A solution of hydrogen peroxide is exposed to strong sunlight.
    H2O2 ® H2O + O2
  28. A 0.02 M hydrochloric acid solution is mixed with an equal volume of 0.01 M calcium hydroxide.
    OH + H+ ® H2O
  29. Excess concentrated aqueous ammonia is added to solid silver chloride.
    NH3 + AgCl ® [Ag(NH3)2]+ + Cl
  30. Magnesium ribbon is burned in oxygen.
    Mg + O2 ® MgO
  31. A bar of strontium metal is immersed in a 1.0 M copper(II) nitrate solution.
    Sr + Cu2+ ® Cu + Sr2+
  32. Solid dinitrogen pentoxide is added to water.
    N2O5 + H2O ® H+ + NO3

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