How many liters if ethenol contain 1.50 kg of ethenol

What is common about these molecules? a. their atoms are held together by covalent bonds. b. they are all made up of the same two atoms. c. their atoms are held together by ionic bonds. d. they are all made up of oxygen atoms only.

What does the cell nucleus do or, how does it function?

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