Calculate the pH of buffer containing 0.0120 M ethylaminium chloride and 0.0360 M ethylamine.(pkb Value
=3.19)

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

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.

Imagine you are a business executive who wants to pursue an environment policy for your company that limits pollution and uses fewer raw materials but would cost more what might be the discussion to your next broad meeting how would you make your case to your shareholders