Kemija - 2014./15. ljeto - 18.

${\mathrm{A}}_2+{\mathrm{B}}_2\to 2\mathrm{A}\mathrm{B}\backslash mathrm\{A\}\_\{2\}+\backslash mathrm\{B\}\_\{2\}\; \backslash rightarrow\; 2\; \backslash mathrm\{~AB\}$

$2\mathrm{A}+2\mathrm{B}\to {\mathrm{A}}_2+{\mathrm{B}}_{2}2\; \backslash mathrm\{~A\}+2\; \backslash mathrm\{~B\}\; \backslash rightarrow\; \backslash mathrm\{~A\}\_\{2\}+\backslash mathrm\{B\}\_\{2\}$

${\mathrm{B}}_2+2\mathrm{A}\mathrm{B}\to 2{\mathrm{B}}_2+{\mathrm{A}}_2\backslash mathrm\{B\}\_\{2\}+2\; \backslash mathrm\{~AB\}\; \backslash rightarrow\; 2\; \backslash mathrm\{~B\}\_\{2\}+\backslash mathrm\{A\}\_\{2\}$

$4{\mathrm{A}}_2+4{\mathrm{B}}_2\to 4{\mathrm{A}}_2{\mathrm{B}}_{2}4\; \backslash mathrm\{~A\}\_\{2\}+4\; \backslash mathrm\{~B\}\_\{2\}\; \backslash rightarrow\; 4\; \backslash mathrm\{~A\}\_\{2\}\; \backslash mathrm\{B\}\_\{2\}$