a student is traveling from home to school making two stops on his way to student leave school at 3 p. m. and makes it home at 5 p. m. what is the average speed of the students walk​

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

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?