How many liters of oxygen are needed to make 231g of calcium oxide?​ using this equation 2 Ca + O2 = 2 CaO

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

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 is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.