NEED HELP ASAP PLEASE! 4 NH3(g) + 5 O2(g) --> 4 NO(g) + 6 H2O(g)

You need 16 moles of NO(g). How many moles of O2 do you need to start with?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space