Examine the reaction.
NH3 + O2 → NO2 + H2O
When this reaction is balanced, how many electrons are transferred in each half-reaction and what is the coefficient of water (H2O)?
electrons transferred: 14
coefficient of H2O: 4
electrons transferred: 22
coefficient of H2O: 7
electrons transferred: 12
coefficient of H2O: 3
electrons transferred: 28
coefficient of H2O: 6
D?