Fe + Cl2 (to ) FeCl3 b) K + S K2S c) Al + HCl AlCl3 + H2 d) Fe + O2 (to ) Fe3O4 e) FexOy + H2(to ) Fe + H2O f) C6H6 + O2(to ) CO2 + H2O g) FeS2 + O2 (to ) SO2 + Fe2O3 GIÚP VỚI Ạ

`#Ly`

$a)$ $2Fe$ $+$ $3Cl_2$ $\xrightarrow[]{t^o}$ $2FeCl_3$

$b)$ $2K$ $+$ $S$ $\xrightarrow[]{t^o}$ $K_2S$

$c)$ $2Al$ $+$ $6HCl$ `->` $2AlCl_3$ $+$ $3H_2$

$d)$ $3Fe$ $+$ $2O_2$ $\xrightarrow[]{t^o}$ $Fe_3O_4$

$e)$ $Fe_xO_y$ $+$ $yH_2$ $\xrightarrow[]{t^o}$ $xFe$ $+$ $yH_2O$

$f)$ $C_6H_6$ $+$ `(15)/(2)O_2` $\xrightarrow[]{t^o}$ $6CO_2$ $+$ $3H_2O$

$g)$ $2FeS_2$ $+$ `(11)/(2)O_2` $\xrightarrow[]{t^o}$ $4SO_2$ $+$ $Fe_2O_3$