5.2d; 5.6a (m)
2. the diagram below shows a system
for distilling water.
distilling water
steam
pure
water
salt
water
cooler
point a in the diagram is the source
of energy. what type of energy would
most likely be used to distill the
water?
a light
b mechanical
sound
d thermal

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.