PreparED Study Materials
CH 4110: Biochemistry I
School: Worcester Polytechnic Institute
Number of Notes and Study Guides Available: 5
Notes
Study Guides
Videos
Chips Nutritional Energy and Body Fat Conversion
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to calculate the nutritional energy in a bag of chips, and learn the science behind converting excess energy into body fat.
Acid Strength Comparison: Isomers and Proton Removal Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video provides insights into determining the acid strength of various isomers by examining the ease of proton removal and the stability of the resulting anion. By comparing Propanamine to Trimethylamine and Methoxyethane to Propanol, we determine which compounds are more acidic.
Identifying Fundamental Units in Rb?O, N?, Fe(NO?)?, and N?F?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this exploration, we delve into the fundamental units of various substances, whether they are single atoms, molecules, or formula units. We examine ionic compounds like Rb?O and Fe(NO?)?, characterized by formula units as their basic components, and covalent compounds like N? and N?F?, where molecules are the fundamental units.
The mass of a sugar crystal with 1.8 × 10¹? sucrose molecules
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video guides you through calculating the theoretical yield of a product in moles for a given chemical reaction by identifying the limiting reactant. It explains how to determine the limiting reactant for different quantities of reactants and then calculates the corresponding moles of the product, ensuring an accurate theoretical yield estimation.
Volume Calculation for Acetone, Olive Oil, and Chloroform
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this video, the presenter demonstrates the process of calculating the volume of 125g for three different liquids—Acetone, Olive oil, and Chloroform—using the formula "Volume = Mass / Density," providing step-by-step solutions for each liquid, ultimately revealing their respective volumes. This instructional video guides viewers through the calculations and showcases the outcome for each liquid's volume.
Strong vs. Weak Acids: Ionization Differences in Water
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the distinct behaviors of hydrochloric acid and acetic acid in water. Learn about the complete ionization of strong acids and the partial ionization of weak ones, emphasizing the differentiation in proton donation.






















