1.\(Fe_xO_y+2yHCl-->xFeCl_{\dfrac{2y}{x}}+yH_2O\)
2.\(2C_xH_y+\left(\dfrac{4x+y}{2}\right)O_2-->2xCO_2+yH_2O\)
3.\(C_nH_{2n}+\dfrac{3n}{2}O_2-->nCO_2+nH_2O\)
4.\(C_nH_{2n+2}+\left(\dfrac{3n+1}{2}\right)O_2-->nCO_2+\left(n+1\right)H_2O\)
5. \(2C_xH_yO_z+\left(\dfrac{4x+y-2z}{2}\right)O_2-->2xCO_2+yH_2O\)
6. (pthh này giống pt 3)