Chemical formula for copper gluconate

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

Air can be considered a mixture. which statement does not explain why?