Write the conjugate acid and conjugate base of the following:${\mathrm{H}}_2\mathrm{O}$

Identify and label the Bronsted acid and its conjugate base, the bronsted base and its conjugate acid in the following equation.

${\mathrm{H}}_2{\mathrm{SO}}_4+{\mathrm{Cl}}^{-}\to \mathrm{HCl}+{{\mathrm{HSO}}_4}^{-}$

Identify and label the Bronsted acid and its conjugate base, the bronsted base and its conjugate acid in the following equation.

${\mathrm{H}}_2\mathrm{S}+{{\mathrm{NH}}_2}^{-}\to {\mathrm{HS}}^{-}+{\mathrm{NH}}_3$

Identify and label the Bronsted acid and its conjugate base, the bronsted base and its conjugate acid in the following equation.

${\mathrm{CN}}^{-}+{\mathrm{H}}_2\mathrm{O}\to \mathrm{HCN}+{\mathrm{OH}}^{-}$

Identify and label the Bronsted acid and its conjugate base, the bronsted base and its conjugate acid in the following equation.

${\mathrm{O}}^{-2}+{\mathrm{H}}_2\mathrm{O}\to 2{\mathrm{OH}}^{-}$