What is the name of Na3N?
HELP PLEASE

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.