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Hot Wax - Chemical Demonstration Kit

By: The Flinn Staff

Hot Wax Chemical Demonstration Kit
Hot Wax Chemical Demonstration Kit

Item #: AP6887

Price: $20.55

With the Hot Wax Chemical Demonstration Kit, students find out how much heat is released when melted wax solidifies. This three-part yet economical demo will “solidify” the concept of phase changes and related energy changes for students.

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This item can only be shipped to schools, museums and science centers

Product Details

Have you ever had melted wax drip on you? It's hot! When melted wax solidifies, enough heat may be released to cause severe skin burns. Find out how much heat is released when melted wax solidifies with this three-part demonstration. • Measure the temperature of “hot wax” as it cools. • Graph the cooling curve data to estimate the melting point. • Then do a simple calorimetry test to calculate the heat of fusion of paraffin. The idea that a liquid releases heat when it solidifies is not obvious—this economical demonstration will really “solidify” the concept of phase changes and their related energy changes for your students!Enough materials are included to perform the demonstration seven times. Concepts: Phase changes, heat of fusion, calorimetry. Time Required: 20 minutes Materials Provided: Paraffin wax, borosilicate test tubes, polystyrene cups, and boiling stones.

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