1# Redox reactions
23
Reduction - oxidation
4Simultaneous process
56
7
## Magnesium oxidation
82Mg(s) + O2g(g) -> 2MgO (net reaction)
910
11
Mg(s) -> Mg^2+(s) + 2e- (half equation)
12O2(g) +4e- -> 2O2-(s) (half equation)
1314
Solving simultaneous redox equations
1516
2mg(s) -> 2Mg2+(s) + 4e-
172mg(s) + O2(g) -> 2Mg(2+)(s) + 2O(2-)(s)
18-> 2MgO(s)