Kemija - 2020. ljeto, 4.

A. $\mathrm{B}+2\mathrm{C}\to 2\mathrm{A}\backslash mathrm\{B\}+2\; \backslash mathrm\{C\}\; \backslash rightarrow\; 2\; \backslash mathrm\{~A\}$

B. $2\mathrm{B}+\mathrm{C}\to 2\mathrm{A}2\; \backslash mathrm\{~B\}+\backslash mathrm\{C\}\; \backslash rightarrow\; 2\; \backslash mathrm\{~A\}$

C. $2\mathrm{A}\to 2\mathrm{B}+\mathrm{C}2\; \backslash mathrm\{~A\}\; \backslash rightarrow\; 2\; \backslash mathrm\{~B\}+\backslash mathrm\{C\}$

D. $2\mathrm{A}\to \mathrm{B}+2\mathrm{C}2\; \backslash mathrm\{~A\}\; \backslash rightarrow\; \backslash mathrm\{~B\}+2\; \backslash mathrm\{~C\}$