Consider the following intermediate chemical equations.
019)+2o2(g) - cod)
co(g) + ca(g) –co,(g)
how will oxygen appear in the final chemical equation?
o2(g) as a product
o2(g) as a reactant
o(g) as a product
20(g) as a reactant

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.