PreparED Study Materials
CHEM 120: General College Chemistry 1
School: Diablo Valley College
Number of Notes and Study Guides Available: 2
Notes
Videos
Double Assurance: Fidelity in Protein Synthesis
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Discover the Intricate Checks and Balances in Protein Synthesis Fidelity: Join us in this video to unravel the two critical moments when the accuracy of protein synthesis is assured, shedding light on the 'how' and 'when' of this essential process.
Density Explained: Calculating the Density of an Osmium Cube
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In this tutorial, we break down the principle of density, illustrating it as a measure of mass per unit volume. Using an osmium cube as a practical example, we walk viewers through the steps of computing its density, demonstrating the interplay between mass, volume, and particle arrangement.
Balancing the Photosynthesis Equation: CO?, H?O to Glucose & O?
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Discover the balanced chemical equation for photosynthesis, where CO? and H?O produce glucose and O?. Uncover the step-by-step breakdown of the equation, ensuring atom balance. Grasp a clear understanding of this vital process in plant biology.
Mastering Mass, Moles, Formula Units & Atoms
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Discover how to precisely calculate mass, moles, formula units, and atoms in various compounds. Understand the concept with examples like chromium(III) sulfate decahydrate, dichlorine heptoxide, and lithium sulfate. Master chemistry calculations through a step-by-step guide.
CS?, SO?, CH?, & CH?Cl: Are They Polar or Nonpolar Molecules?
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Explore the polarity of Carbon disulfide, Sulfur dioxide, Methane, and Chloromethane. Learn how molecular shape influences electron distribution. Understand which molecules possess a net dipole moment and which ones don't.
Determining Base Concentration Using KHP: Indicator Choice Solution
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Discover how to choose the right indicator for a titration involving Potassium hydrogen phthalate (KHP) and a strong base. Grasp the calculations from molar mass to pH and understand why Thymolphthalein is the ideal choice for a change near pH 8.95.






