$Li\stackrel{1}{\to }L{i}_{2}O\stackrel{2}{\to }LiOH\stackrel{3}{\to }LiN{O}_3$;
1) $4Li+O_2=2L{i}_{2}O$
2) $L{i}_{2}O+H_{2}O=2LiOH$
3) $LiOH+HN{O}_3=LiN{O}_3+H_{2}O$
$L{i}^{+}+O{H}^{-<!--\; -\; -->}+H^{+}+N{O}_3^{-<!--\; -\; -->}=L{i}^{+}+N{O}_3^{-<!--\; -\; -->}+H_{2}O$
$H^{+}+O{H}^{-<!--\; -\; -->}=H_{2}O$

$S\stackrel{1}{\to }S{O}_2\stackrel{2}{\to }{H}_{2}S{O}_3\stackrel{3}{\to }N{a}_{2}S{O}_3\stackrel{4}{\to }S{O}_2\stackrel{5}{\to }CaS{O}_3$.
1) $S+O_2=S{O}_2$
2) $S{O}_2+H_{2}O=H_{2}S{O}_3$
3) $H_{2}S{O}_3+2NaOH=N{a}_{2}S{O}_3+2H_{2}O$
$2H^{+}+S{O}_3^{2-<!--\; -\; -->}+2N{a}^{+}+2O{H}^{-<!--\; -\; -->}=2N{a}^{+}+S{O}_3^{2-<!--\; -\; -->}+2H_{2}O$
$H^{+}+O{H}^{-<!--\; -\; -->}=H_{2}O$
4) $N{a}_{2}S{O}_3+2HCl=2NaCl+H_{2}O+S{O}_2\uparrow$
$2N{a}^{+}+S{O}_3^{2-<!--\; -\; -->}+2H^{+}+2C{l}^{-<!--\; -\; -->}=2N{a}^{+}+2C{l}^{-<!--\; -\; -->}+H_{2}O+S{O}_2\uparrow$
$2H^{+}+S{O}_3^{2-<!--\; -\; -->}=H_{2}O+S{O}_2\uparrow$
5) $S{O}_2+CaO=CaS{O}_3$