Which substance is a mixture? Table salt, gasoline, aluminum, or carbon dioxide.

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg