2. sc 8.p.8.1
an artist heats a solid iron rod and bends it into a new shape. the iron cools down when the artist is
finished. what happens to the iron atoms as the solid iron rod cools?
a. the iron atoms move more quickly.
b. the iron atoms slow down and stop moving.
c. the iron atoms slow down and vibrate in place.
d. the speed of the iron atoms does not change.

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices