PreparED Study Materials
CHEM 128: Organic Chemistry
School: California State University Fresno
Number of Notes and Study Guides Available: 1
Notes
Videos
Calculate a Building's Age Using Nickel-63 Decay
Want To Learn More? To watch the entire video and ALL of the videos in the series:
The scenario involves an archaeologist analyzing iron in an old building containing nickel-63, which has a known half-life of 92 years. With only 0.78% of the original nickel-63 remaining, the goal is to estimate the year when this discovery was made. We delve into the calculations and principles of first-order decay reactions.
Tailors' Seam Measurements: Precision and Accuracy Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
An in-depth analysis of the precision and accuracy in seam measurements by three apprentice tailors: X, Y, and Z, as they measure a pair of trousers. Understand how their measurements compare to the true length of 32.0 inches.
Cyclohexane to Adipic Acid: Nylon's Yield Calculations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the fascinating conversion of cyclohexane and oxygen into adipic acid, essential in nylon manufacture. This video breaks down the calculation of theoretical yield, actual yield, and the resultant percent yield of the process. From molar masses to intricate equations, get a concise understanding of this industrial reaction.
Heat Absorption: Lead Weight's Final Temperature
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the process of heat absorption and discover how to calculate the final temperature of a lead fishing weight after absorbing a specific amount of heat.
Element Classification: Rep, Trans, Inner-Trans, Noble Gases
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
From CH? to C?H?: Decoding Molecular Formula with Molar Mass
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the process of determining a compound's molecular formula from its empirical formula and molar mass. Understand the calculations and reasoning behind deriving C?H? from the empirical formula CH? with a molar mass of 56.11 g/mol. Gain insight into fundamental chemistry concepts and computations.