A patient needs to take 875mg twice daily The pills in the bottle are each 250mg How many pills does she wants to take 875mg

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

When a septic tank backs up a goes in to clean it out

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?