When teaching your unit on thermochemistry, this is an outstanding lab to teach the concepts of heat of crystallization, heat of fusion, and calorimetry.
Purpose: The student will determine the heat of crystallization of a wax sample.
Materials: 25 x 200 test tube, 250 mL Beaker, Ring stand and ring, Hot plate, 100 mL Graduated cylinder, Thermometer, Styrofoam cup, Safety goggles, Wax sample, Balance, Test tube tongs.
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