A sample of calcium carbonate in the form of a cube measuring 2.005 inches per side has a density of 2.711 g/ml. Calculate the number of oxygen atoms present in this sample

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?

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa