PreparED Study Materials
CHEM 65191: Chem 115
School: San Francisco State University
Number of Notes and Study Guides Available: 0
Videos
Weighting Epsom Salts for Baths & CO? in Soda: Molecular Insight
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Learn the step-by-step process to convert moles into grams using the molecular weight of Epsom salts (MgSO?) and carbon dioxide (CO?). From bathtub to soda bottle understand the science behind the amounts
Utilizing Chemical Names and Symbols in Copper Cycle Analysis
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Explore the power of chemical names and symbols in deciphering copper compound formation at each step of the copper cycle, with an illustrative example.
Counting Chlorine Atoms in Key Chemical Compounds: A Detailed Breakdow
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Uncover the count of chlorine atoms in various chemical compounds. Grasp the calculations in Carbon tetrachloride, Calcium chloride, Phosphorus trichloride, and Sodium chloride. Gain clarity on atomic count across multiple molecules.
Deriving the Perfect Gas Equation from Gas Laws
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Learn how the ideal gas equation is derived from Boyle's law, Charles’ law, and Avogadro's principle, unraveling the fundamentals of gas behavior.
Determining Mass Percent Concentration of Solutions
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This instructional video demonstrates the process of calculating the mass percent of various solutions, using the formula "mass of solute divided by mass of solution, all multiplied by 100%." It provides step-by-step calculations for three different solutions, revealing the concentration of each solute in terms of mass percent, offering a practical understanding of quantifying solute proportions in solutions.
Converting Various Units: Weight, Time, Height, and Volume
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This video focuses on unit conversions and the practical use of conversion factors to translate quantities between different units. It provides clear examples of converting 70 kilograms to pounds, translating 14 billion years into seconds, changing the height of a basketball player from feet and inches to meters, and converting cubic meters to liters, illustrating the importance of this skill in various scientific and everyday scenarios.


















