Mercury (II) oxide decomposes to produce oxygen gas and solid mercury. How many oxygen molecules are produced when 89.5 g of mercury (II) oxide are allowed to decompose?

Aluminum–lithium (al-li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. a commercial aircraft skin material having a density of 2.47 g/cm3 is desired. compute the concentration of li (in wt%) that is required.

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm

Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released