PreparED Study Materials
CHEM 1220: General Chemistry II
School: Salt Lake Community College
Number of Notes and Study Guides Available: 1
Notes
Videos
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:
full solution
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.
What is a propeller twist?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unravel the concept of propeller twist and its role in aviation and marine propulsion. We'll delve into the science and engineering behind this intriguing phenomenon, shedding light on its applications and significance.
Endothermic vs. Exothermic: Unraveling Heat Changes in Chemical Reacti
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intricacies of endothermic and exothermic reactions through everyday examples. Delve into the energy dynamics of ice melting and water freezing, while emphasizing the importance of the heat change (?H) in these processes.
Why geometric isomerism is not possible in alkynes
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video provides insights into the concept of geometric isomerism in organic chemistry and explains why alkynes, which contain carbon-carbon triple bonds and adopt a linear structure, cannot exhibit this form of isomerism, unlike alkenes with double bonds that restrict rotation.
Moles of H in Samples: H?O, NH?, N?H?, C??H??
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to calculate the number of moles of hydrogen in different chemical samples, including H?O, NH?, N?H?, and C??H??.
CO?: Linear & Nonpolar with Temp Dipole Moments Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the nuances of the CO? molecule's polarity and its electron dynamics. Understand how bending and stretching motions influence its electron density. Grasp the analogy of CO? to a jumping rope, highlighting its overall nonpolar nature.




