4NH3+5O2–> 4NO+6H2O When 4.7 moles of O2 reacts with 6.3 moles of NH3 how many moles of H2O are formed? And what’s the limiting reactant?

Who is better, messi or cristiano, i need this for a chemistry class. asap

How does climate change cause the ocean's thermohaline current to slow down?

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory