Lab

Purpose: The purpose of this lab was to determine the melting point of p-Dichlorobenzene.

Materials: 2 100ml beaker Thermometer
Melting point tube Rubber band
Hot Plate Several crystals of p-Dichlorobenzene
Glass Runner Ring Stand
Extension Clamp Triple Arm Clamp

Apparatus: See Attached Sheet

Procedure:
1) Fill a beaker with several pieces of ice and water. Place the thermometer into the ice water submerging the reservoir of alcohol. Keep submerged until the liquid in the thermometer stops its decent. Record the temperature at which the thermometer read.
2) Construct the apparatus, (see diagram on other sheet).
3) Place the ice filled beaker aside. Turn the hot plate on to a setting of ten. Fill the other beaker with 100 ml of water. Place beaker on the hot plate so the thermometer’s reservoir is submerged. When the water begins to b...