PreparED Study Materials
Notes
Videos
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Calculating Silver Density from Weight and Water Displacement
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Learn how to find the density of silver using weight and water displacement. A step-by-step guide to a common laboratory technique.
Element Classification: Rep, Trans, Inner-Trans, Noble Gases
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We categorize elements into representative, transition, inner-transition, and noble gases based on their positions in the periodic table and general characteristics, without revealing specific element classifications.
Glycerin Solution Vapor Pressure at 39.88°C
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Discover how to calculate the vapor pressure of a glycerin solution when mixed with water at a specific temperature. A valuable chemistry lesson.
Orthorhombic Unit Cell: Decoding Nickel Sulfate's Crystal Density
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The video offers an insightful look into the orthorhombic unit cell, a unique crystal lattice structure. By exploring nickel sulfate's unit cell and its specific dimensions, we determine both the number of formula units and the density of this crystalline structure.
Diluting a 5.5 M KCl Solution to 0.100 M
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Learn the steps to make a 2.5 L of 0.100 M KCl solution from a 5.5 M stock solution in this easy-to-follow tutorial.