4NH3 + 5O2 > 4NO + 6H2O What is the maximum number of moles of NO that can be produced when 2.0 moles of NH3 is completely reacted?

? you expect us to answer this? ? this is your schoolwork, i don't think we can with this, i think it would considering being

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.