A chemical equation includes reactants that yield a product(s). Look at the equations and determine which ones are balanced and represent the Law of Conservation of Matter. If possible can you give me an explanation
A. N2 + 3H2 -------> 2NH3.
B. H2 +O2 -----> 2H2O
C. 2 Ag2O--------> Ag2 + 02
D. N2 + H2 ------> NH3