In a short essay of about one page, briefly describe sn1 and sn2 mechanism in reactions of alkyl halides.

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?