Answer:
1.CH4 + 2O2 to CO2+2H2O
2.Fe + 3NaBr to FeBr3 + Na
3.SiCl4 + 2H2O to SiO2 + 4HCl
Explanation:
1.Reactants
C=1
H=4
O=2x2=4
Products
C=1
H=2x2=4
O=2+2=4
2.Reactants
Fe=1
Na=1x3=3
Br=1x3=3
Product
Fe=1
Na=1x3=3
Br=3
3.Reactants
Si=1
Cl=4
H=2x2=4
O=1x2=2
Product
Si=1
Cl=1x4=4
H=1x4=4
O=2
