Kemija - 2022. ljeto, 13.

\( \mathrm{CH}_{4} \rightarrow \mathrm{C}+2 \mathrm{H}_{2} \)

\( 2 \mathrm{H}_{2}+\mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O} \)

\( 2 \mathrm{H}_{2} \mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}+\mathrm{O}_{2} \)

\( 2 \mathrm{HgO} \rightarrow 2 \mathrm{Hg}+\mathrm{O}_{2} \)