Kemija - 2015./16. jesen - 17.

A. $2\mathrm{A}\mathrm{g}\mathrm{C}\mathrm{l}(\mathrm{s})\stackrel{\text{ svjetlost }}{\to }2\mathrm{A}\mathrm{g}(\mathrm{s})+{\mathrm{C}\mathrm{l}}_2(\mathrm{g})2\; \backslash mathrm\{~AgCl\}(\backslash mathrm\{s\})\; \backslash xrightarrow\{\backslash text\; \{\; svjetlost\; \}\}\; 2\; \backslash mathrm\{~Ag\}(\backslash mathrm\{s\})+\backslash mathrm\{Cl\}\_\{2\}(\backslash mathrm\{g\})$

B. $\mathrm{P}\mathrm{b}(\mathrm{s})+\mathrm{S}(\mathrm{s})\stackrel{\text{ zagrijavanje }}{\to }\mathrm{P}\mathrm{b}\mathrm{S}(\mathrm{s})\backslash mathrm\{Pb\}(\backslash mathrm\{s\})+\backslash mathrm\{S\}(\backslash mathrm\{s\})\; \backslash xrightarrow\{\backslash text\; \{\; zagrijavanje\; \}\}\; \backslash mathrm\{PbS\}(\backslash mathrm\{s\})$

C. $2{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })\stackrel{\text{ elektri}\check{\text{c}}\text{na struja }}{\to }2{\mathrm{H}}_2(\mathrm{g})+{\mathrm{O}}_2(\mathrm{g})2\; \backslash mathrm\{~H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)\; \backslash xrightarrow\{\backslash text\; \{\; električna\; struja\; \}\}\; 2\; \backslash mathrm\{~H\}\_\{2\}(\backslash mathrm\{g\})+\backslash mathrm\{O\}\_\{2\}(\backslash mathrm\{g\})$

D. $2\mathrm{H}\mathrm{g}\mathrm{O}(\mathrm{s})\stackrel{\text{ zagrijavanje }}{\to }2\mathrm{H}\mathrm{g}(\mathrm{l})+{\mathrm{O}}_2(\mathrm{g})2\; \backslash mathrm\{~HgO\}(\backslash mathrm\{s\})\; \backslash xrightarrow\{\backslash text\; \{\; zagrijavanje\; \}\}\; 2\; \backslash mathrm\{~Hg\}(\backslash mathrm\{l\})+\backslash mathrm\{O\}\_\{2\}(\backslash mathrm\{g\})$