Chapter 3, Problem 3.38SP

Balance the following equations:

(a) ${\text{Mg+HNO}}_{\text{3}}\to {\text{H}}_{\text{2}}{\text{+Mg(NO}}_{\text{3}}{\text{)}}_{\text{2}}$

(b) ${\text{CaC}}_{\text{2}}{\text{+H}}_{\text{2}}\text{O}\to {\text{Ca(OH)}}_{\text{2}}{\text{+C}}_{\text{2}}{\text{H}}_{\text{2}}$

(c) ${\text{S+O}}_{\text{2}}\to {\text{SO}}_{\text{3}}$

(d) ${\text{UO}}_{\text{2}}\text{+HF}\to {\text{UF}}_{\text{4}}{\text{+H}}_{\text{2}}\text{O}$