The synthesis of water is described by the equation 2H2 + O2 → 2H2O. How is the decomposition of water related to this reaction?
A.
It is the reverse of the synthesis equation.
B.
It is the same as the synthesis equation.
C.
The two reactions are not related.
A. It is the reverse of the synthesis equation.
The decomposition of water is the reverse reaction of the synthesis of water. In the decomposition of water, 2H2O breaks down into 2H2 and O2, which is the opposite of the synthesis reaction where 2H2 and O2 combine to form 2H2O.