Chemistry Examples

$M n O_{2} (s) + A l (s) M n (s) + A l_{2} O_{3} (s)$

Step 1

Move $s$ .

$M n O_{2} s + A l (s \cdot s) M n + A l_{2} O_{3} s$

Step 2

Multiply $s$ by $s$ .

$M n O_{2} s + A l s^{2} M n + A l_{2} O_{3} s$