Transcription of Experiment 1 - Melting Points
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Experiment 1 - Melting Points
Experiment 1 - Melting Points Introduction The Melting point of a substance (the temperature at which a substance melts) is a physical property that can be used for its identification. It is a measure of the amount of kinetic energy (heat) that must be supplied to the particles of the substance in order to overcome the intermolecular forces (such as Van der Waals, dipole-dipole, and H-bonding) that confine them to the solid state. The determination of Melting Points is particularly important to organic chemists, since they often work with solid molecular compounds that have low Melting Points (below 300 C) and which can be conveniently measured. Organic compounds are used in this Experiment for the same reasons.
Acetylsalicylic Acid 2112 Aspirin 135-136 Maleic Acid 2112 Manufacture of resins 137-139 Benzilic Acid 2121 A carboxylic acid 150-153 Adipic Acid 1202 Used to manufacture nylon 152-153 Citric Acid 1123 Sour taste of citrus fruits 153-154 Mannitol 0201 Manufacture of radio condensers 167-170 Tartaric Acid 1111 In soft drinks, cream of tartar 168-170
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