Answer:
4 Al + 3O2 -----> 2Al2O3
2KNO3 ------> 2KNO2 + 1O2
3O2 + CS2 ------> CO2 + 2SO2
2KCLO3 ------> 2KCL + 3O2
2WO3 + 3H2 ------> 2W + 6H2O
Explanation:
Count the number of your atoms of each element on each side of the equation. These are going to be accounted for by using the lowest common multiple of both sides to balance the equation.
