Chemistry - Chemical Equilibrium Question with Solution | TestHub

${\mathrm{H}}_2\mathrm{O}(\mathrm{l})\rightleftharpoons {\mathrm{H}}_2\mathrm{O}(\mathrm{g})$

${\mathrm{CH}}_3{\mathrm{COOC}}_2{\mathrm{H}}_5(\mathrm{l})+{\mathrm{H}}_2\mathrm{O}(\mathrm{l})\rightleftharpoons {\mathrm{CH}}_3\mathrm{COOH}(\mathrm{aq})+{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}(\mathrm{aq})$

$4{\mathrm{FeS}}_2(\mathrm{s})+15{\mathrm{O}}_2(\mathrm{g})+6{\mathrm{H}}_2\mathrm{O}(\mathrm{l})\rightleftharpoons 4\mathrm{Fe}(\mathrm{OH}{)}^{2+}(\mathrm{aq})+8{\mathrm{HSO}}_4^{-}(\mathrm{aq})$

$\mathrm{HCOOH}(l)+{\mathrm{CH}}_3\mathrm{OH}(l)\rightleftharpoons {\mathrm{HCOOCH}}_3(l)+{\mathrm{H}}_2\mathrm{O}(l)$