Why series fatty acid carbons seen in double from ?

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h

On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density

What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?