Freezing Point of Naphthalene

Freezing Point of Naphthalene
I.Purpose
To determine the freezing point of a known substance, naphthalene
II.Materials
ringstandgas source
test tubetest tube clamps
thermometernaphthalene
Bunsen burnergoggles
hosestopwatch
III.Procedure
1.Assemble the Bunsen burner, attaching one end of the hose to the burner and the
other to a gas source.
2.Assemble the ring stand so that a ring clamp is attached to the stand holding the
test tube that will be used in the experiment.
3.Fill the test tube to approximately 1/8 capacity with naphthalene crystals.
4. Place the thermometer in the c…