Answer
а) $2Al + 3H_{2}SO_{4} \rightarrow Al_{2}(SO_{4})_{3}+3H_{2}$
b) $N_{2}+3H_{2} \rightarrow 2NH_{3}$
c) $2ZnS + 3O_{2} \rightarrow 2ZnO + 2SO_{2}$
d) $C+4HNO_{3} \rightarrow4 NO_{2}+CO_{2}+2H_{2}O$
e) $H_{2}SO_{4} + 2HI \rightarrow SO_{2} + I_{2} + 2H_{2}O$
Work Step by Step
а) $2Al + 3H_{2}SO_{4} \rightarrow Al_{2}(SO_{4})_{3}+3H_{2}$
b) $N_{2}+3H_{2} \rightarrow 2NH_{3}$
c) $2ZnS + 3O_{2} \rightarrow 2ZnO + 2SO_{2}$
d) $C+4HNO_{3} \rightarrow4 NO_{2}+CO_{2}+2H_{2}O$
e) $H_{2}SO_{4} + 2HI \rightarrow SO_{2} + I_{2} + 2H_{2}O$
