What are the molecular equations and classifications (precipitation, oxidation,

Question

What are the molecular equations and classifications (precipitation, oxidation, acid-base, double/single displacement, exo- or endo-thermic, etc.) for each reaction.

Part A. Lead(II) nitrate with potassium iodide.

Part B. Copper(II) sulfate solution with iron metal.

Part C. Calcium carbonate with hydrochloric acid.

Part D. Hydrogen peroxide with potassium iodide catalyst.   

Part E, first reaction. Magnesium metal with hydrochloric acid.

Part E, second reaction. Combustion of hydrogen gas.

Part F. Ammonium carbonate with heat.

Part G. Copper metal with oxygen gas.   

Part H. Copper(II) sulfate pentahydrate with heat.

Part I. Potassium permanganate with oxalic acid.

Part J. Hydrochloric acid with sodium hydroxide.

Part K. Sulfuric acid with sodium hydroxide.

Explanation / Answer

Pb(NO3)2+ 2KI ----> PbI2 (s)+2KNO3 precipitation reaction

3 CuSo4(aq) + 2 Fe(s) = Fe2(So4)3(aq) + 3 Cu(s), single replacement

CaCO3(s) + 2 HCl(aq) --> CaCl2(aq) + CO2(g) + H2O(l) single replacement

2H2O2-------->2H2O(l) + O2(g) decomposition

Mg+2HCl----->MgCl2+ H2 replacement

H2+0.5O2------->H2O combination

(NH4)2CO3 2 NH3 + CO2 + H2O

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