Which of the following statements about balanced chemical equations is correct? A.
The products must contain the same numbers and types of atoms as the reactants.

B.
The products must contain the same arrangement of atoms as found in the reactants.

C.
The products must contain the same numbers but not the same types of atoms as the reactants.

D.
The products must contain the same types but not the same numbers of atoms as the reactants.

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.