1. REPORTED BY:
PATRICIA CLARIZA SANTOS

2. The chemical bond of molecules that hold atoms
together contain the potential energy. As
chemical bonds are broken or formed in
reactions, energy can be:
RELEASE
D
ABSORB
OXIDATION : means of loss or partial loss of one or
more electrons.
REDUCTION : a gain or partial gain of one or
more electrons.

3. CH4 + 2O2 CO2 + energy + 2 H2O
OXIDATION
REDUCTIO
N
REDOX REACTION