For any point on earths surface, its hight is above sea level it's called is_?

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

Which three statements represent the benefits of performing experiments using computer simulations?