1,Now that we have put a coefficient of 2 in front of NaNO3, what coefficient should go in front of PbCl2 to balance lead (Pb)?
Pb(NO3)2+NaClâ?PbCl2+2NaNO3
2.
When aluminum, Al, metal is dipped in an aqueous solution of hydrochloric acid, HCl, hydrogen gas, H2, is produced with the formation of an aluminum chloride, AlCl3, solution. Write the balanced chemical equation showing the phases of reactants and products.
Express your answer as a chemical equation including phases.
3.
Classify each of the following as a combination, decomposition, single replacement, double replacement, or combustion reaction.
Sort these reactions into the proper categories.
3H2(g)+N2(g)â¶2NH3(g)
2AgBr(s)â¶2Ag(s)+Br2(g)
Ba(NO3)2(aq)+K2CrO4(aq)â¶BaCrO4(s)+2KNO3(aq)
2C6H6(l)+15O2(g)â¶Î12CO2(g)+6H2O(g)
Zn(s)+CuCl2(aq)â¶Cu(s)+ZnCl2(aq)
1,Now that we have put a coefficient of 2 in front of NaNO3, what coefficient should go in front of PbCl2 to balance lead (Pb)?
Pb(NO3)2+NaClâ?PbCl2+2NaNO3
2.
When aluminum, Al, metal is dipped in an aqueous solution of hydrochloric acid, HCl, hydrogen gas, H2, is produced with the formation of an aluminum chloride, AlCl3, solution. Write the balanced chemical equation showing the phases of reactants and products.
Express your answer as a chemical equation including phases.
3.
Classify each of the following as a combination, decomposition, single replacement, double replacement, or combustion reaction.
Sort these reactions into the proper categories.
3H2(g)+N2(g)â¶2NH3(g) 2AgBr(s)â¶2Ag(s)+Br2(g) Ba(NO3)2(aq)+K2CrO4(aq)â¶BaCrO4(s)+2KNO3(aq) 2C6H6(l)+15O2(g)â¶Î12CO2(g)+6H2O(g) Zn(s)+CuCl2(aq)â¶Cu(s)+ZnCl2(aq) |
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