Kemija - 2021. jesen, 27.

A. $2{\mathrm{H}}_2\mathrm{O}(\mathrm{g})\rightleftharpoons 2{\mathrm{H}}_2(\mathrm{g})+{\mathrm{O}}_2(\mathrm{g})2\; \backslash mathrm\{~H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash mathrm\{g\})\; \backslash rightleftharpoons\; 2\; \backslash mathrm\{~H\}\_\{2\}(\backslash mathrm\{g\})+\backslash mathrm\{O\}\_\{2\}(\backslash mathrm\{g\})$

B. ${\mathrm{P}\mathrm{C}\mathrm{l}}_5(\mathrm{g})\rightleftharpoons 2{\mathrm{P}\mathrm{C}\mathrm{l}}_3(\mathrm{g})+{\mathrm{C}\mathrm{l}}_2(\mathrm{g})\backslash mathrm\{PCl\}\_\{5\}(\backslash mathrm\{g\})\; \backslash rightleftharpoons\; 2\; \backslash mathrm\{~PCl\}\_\{3\}(\backslash mathrm\{g\})+\backslash mathrm\{Cl\}\_\{2\}(\backslash mathrm\{g\})$

C. $\mathrm{C}\mathrm{O}(\mathrm{g})+2{\mathrm{H}}_2(\mathrm{g})\rightleftharpoons {\mathrm{C}\mathrm{H}}_3\mathrm{O}\mathrm{H}(\mathrm{g})\backslash mathrm\{CO\}(\backslash mathrm\{g\})+2\; \backslash mathrm\{~H\}\_\{2\}(\backslash mathrm\{~g\})\; \backslash rightleftharpoons\; \backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{OH\}(\backslash mathrm\{g\})$

D. $\mathrm{C}\mathrm{O}(\mathrm{g})+{\mathrm{H}}_2\mathrm{O}(\mathrm{g})\rightleftharpoons {\mathrm{C}\mathrm{O}}_2(\mathrm{g})+{\mathrm{H}}_2(\mathrm{g})\backslash mathrm\{CO\}(\backslash mathrm\{g\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash mathrm\{g\})\; \backslash rightleftharpoons\; \backslash mathrm\{CO\}\_\{2\}(\backslash mathrm\{g\})+\backslash mathrm\{H\}\_\{2\}(\backslash mathrm\{g\})$