What is true of a molecule? All molecules of a compound have one type of atom. All molecules of a compound have the same properties. Each molecule of a compound has different properties. Each atom of a molecule is the same.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

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?

If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms