Transformando equações de palavras em fórmulas e equilibrando-as?

#underbrace( "Ca"("ClO"_3"")_2"(s)")_color(red)("reactants") -> underbrace("CaCl"_2"(s)" + "3O"_2"(g)")_color(red)("products"#

#underbrace("Zn(s)" + "2HCl""(aq)")_color(red)("reactants") -> underbrace("ZnCl"_2"(aq)" + "H"_2"(g)")_color(red)("products"#

#underbrace("Mg(s)" + "2HBr""(aq)")_color(red)("reactants") -> underbrace("MgBr"_2"(aq)" + "H"_2"(g)")_color(red)("products"#

#underbrace( "Ca"("ClO3")_2"(s)")_color(red)("reactants") -> underbrace("CaCl"_2"(s)" + "3O"_2"(g)")_color(red)("products"#

#underbrace("3BaBr"_2"(aq)" + "2Na"_3"PO"_4"""(aq)")_color(red)("reactants") -> underbrace(""Ba₃""("PO"_4"")_2"(s)" + ""6NaBr"(aq)")_color(red)("products"#

#underbrace( "3Ag"("NO"_3"")"(aq)+ "AlI_3""(aq)"")_color(red)("reactants") -> underbrace("3AgI""(s)" + "Al"("NO"_3"")_3"(aq)")_color(red)("products"#