Chapter 15.6, Problem 15.15WE

Hydrogen sulfide (H₂S) is a contaminant commonly found m natural gas. It is removed by reaction with oxygen to produce elemental sulfur.

${\text{2H}}_{\text{2}}\text{S}(g)+{\text{O}}_{\text{2}}(g)\rightleftarrows \text{2S}(g)+{\text{2H}}_{\text{2}}\text{O}(g)$

For each of the following scenarios, determine whether the equilibrium will shift to the right, shift to the left, or neither: (a) addition of O₂(g), (b) removal of H₂S(g), (c) removal of H₂O(g), and (d) addition of S(s).