# Equations 03-06

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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
 Author: ndhejduk ID: 60298 Card Set: Equations 03-06 Updated: 2011-02-02 22:44:43 Tags: Chemistry Equations Folders: Description: AP Chem equations and answers Show Answers: