Chapter 15, Problem 15.70QP

Which of the following equilibria will shift to the right when H₂ is added? (Select all that apply.)

$\begin{array}{l}\left(\text{a}\right){\text{2H}}_{\text{2}}+{\text{O}}_{\text{2}}\rightleftarrows {\text{2H}}_{\text{2}}\text{O}\\ \left(\text{b}\right)\text{2Hl}\rightleftarrows {\text{H}}_{\text{2}}{\text{+I}}_{\text{2}}\\ \left(\text{c}\right){\text{H}}_{\text{2}}{\text{+CO}}_{\text{2}}\rightleftarrows {\text{H}}_{\text{2}}\text{O+CO}\\ \left(\text{d}\right){\text{2NaHCO}}_{\text{3}}\rightleftarrows {\text{Na}}_{\text{2}}{\text{CO}}_{\text{3}}{\text{+H}}_{\text{2}}{\text{O+CO}}_{\text{2}}\\ \left(\text{e}\right){\text{2CO+O}}_{\text{2}}\rightleftarrows {\text{2CO}}_{\text{2}}\end{array}$