What do you think caused this land formation ?

Calculate the number of molecules present in 0.750 mol of mgo.

Which statement best explains the relationship between an area is geography and the temperature of its surface water

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?