Kemija - 2020. ljeto, 4.

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

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

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

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