$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$

$PC{I}_5 \rightleftharpoons PC{l}_3 + C{l}_2$

$2S{O}_2 + O_2 \rightleftharpoons 2S{O}_3$

$N_2 + 3H_2 \rightleftharpoons 2N{H}_3$

$H_2+ I_2 \rightleftharpoons 2HI$