1. (3 points) Please identify the following chemical reactions by type. 2 AgNO3

Question

1. (3 points) Please identify the following chemical reactions by type. 2 AgNO3 (aq) + CuCl2 (aq) 2 AgCl (s) + Cu(NO3)2 (aq) Haso4 (aq) + 2 KOH (aq) K2SO4 (aq) + 2H20() Pb(C2H3O2)4 (aq) + Sn (s) Sn(C2H3O2)2 (aq) + Pb (s) CsH80(g) + O2 (g) CO2(g) + H2O(l) Ca (s) + Br2 (l) CaBr2 (s) Ca(HCO3)2 (s) CaO(s) + CO2 (g) + H2O (g) (3 points) Balance the following chemical reactions. 2. KOH (aq) Mg(OH)2 (s) + KCl (aq) MgCl2 (aq) + Al(OH)3 (s) + Zn (s) + H2SO4 (aq) Al2(SO4)3(aq) H20 + FeCl3 (aq) ZnCl2 (aq) + Fe (s 3. For the following balanced chemical equation, please provide an lonic and Net lonic Equation CaBr2 (aq) Na2S (aq) CaS (s) + 2 NaBr (aq) Molecular Equation + lonic Equation Net lonic Equation

Explanation / Answer

Q1

a)

precipitation reaciton, AgCl forms solid

b)

acid base reaction, formation of salt and water

c)

redox reaction, Sn goes from 0 to +2 and Pb goes from +4 to 0

d)

combustion reaction, CO2 and H2O form

e)

synthesis; combination

f)

this is decomposiiton, since CO2 and H2 gases form

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