\(C_xH_yCOOC_2H_5+\left(\dfrac{2x+y+9}{2}\right)O_2->\left(x+3\right)CO_2+\left(\dfrac{y+5}{2}\right)H_2O\)
\(C_xH_yCOOC_2H_5+\left[\left(3+x\right).2+\dfrac{5+y}{2}-2\right]O_2\underrightarrow{t^o}\left(3+x\right)CO_2\uparrow+\left(\dfrac{5+x}{2}\right)H_2O\)