15) How many grams of sodium sulfate react with 20.8 of barium chloride? Na 50,(aq) + BaCl2(aq) - BaSO (s) + 2NaCl(aq)

What are the negative and positive impacts to society of making and using plastic bags?

Silica, sio2, is formed on silicon as an electrically insulating layer for microelectronic devices. silica is formed when silicon is exposed to o2 gas at an elevated temperature. at 900˚c, it takes 90 minutes for the oxygen to diffuse from the surface to form a 0.06 micron (0.06 x 10-6 m) thick layer of sio2 on

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon