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The presence of impurities in a substance results in a lower melting point due to a process called melting point depression. Melting point depression is the reason why adding salt to frozen streets helps to melt the ice. More »

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To calculate molar mass by freezing point depression, determine the change in freezing point temperature using the freezing point depression constant, and then evaluate molatility. Once molatility is obtained, use it to ... More »

www.reference.com Science Chemistry States of Matter

Three factors that affect the rate at which ice melts are temperature, pressure, and the presence of impurities. Objects melt when they have reached an appropriate temperature and pressure where they can transition from ... More »

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Sugar does not have a fixed melting point. Instead, as sugar increases in temperature, its molecules began to decompose. While heating sugar does produce a more fluid product known as caramel, it does not retain its chem... More »

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Sodium chloride has a high melting point because of the strong electrostatic attraction between its positive and negative ions; this requires more heat energy to overcome. All ionic compounds have high melting points for... More »

www.reference.com Science Chemistry States of Matter

About reports the melting point of gold is 1,064.43 degrees Celsius. The melting point of a solid is the temperature at which it becomes a liquid. Gold's boiling point is 2,807 degrees Celsius. More »

www.reference.com Science Chemistry States of Matter

The effect of temperature on solubility depends on the type of reaction that occurs during the process of dissolving the solute in the solvent. In endothermic reactions, increasing the temperature increases the solubilit... More »

www.reference.com Science Chemistry States of Matter