$$ 2KClO_{3} \stackrel{点燃}{\underset{MnO_{2}}{=!=!=}} 2KCl + O2 \uparrow ~~~~~~~~~~~~~~ \downarrow \uparrow \Delta $$ $$ ^1_1\stackrel{+1}{\underset{good}{H}} ~ ^{!!+1}_{!!2} $$ $$\underset{k}{\sum}t_{k} + \log{y_{k}}$$