H2+O2→H2O\mathrm{H}_{2}+\mathrm{O}_{2} \rightarrow \mathrm{H}_{2} \mathrm{O}H2+O2→H2O
Na+Cl2→NaCl\mathrm{Na}+\mathrm{Cl}_{2} \rightarrow \mathrm{NaCl}Na+Cl2→NaCl
CuO+H2→Cu+H2O\mathrm{CuO}+\mathrm{H}_{2} \rightarrow \mathrm{Cu}+\mathrm{H}_{2} \mathrm{O}CuO+H2→Cu+H2O
Cu(NO3)2→CuO+NO+O2\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2} \rightarrow \mathrm{CuO}+\mathrm{NO}+\mathrm{O}_{2}Cu(NO3)2→CuO+NO+O2
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