PreparED Study Materials
CHEM 112: Introductory Chemistry
School: University of Illinois
Number of Notes and Study Guides Available: 0
Videos
The Remarkable Conservation of Peptidyl Transferase: Drawing Conclusio
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us as we explore the fascinating world of peptidyl transferase, one of the most conserved sequences in biology. In this video, we delve into the implications and draw intriguing conclusions from its exceptional conservation across species.
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.
NBS Bromination in CCl4: Light-Induced Chemistry Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the fascinating world of chemical reactions with N-Bromosuccinimide (NBS) in Carbon Tetrachloride (CCl4), initiated by light. Explore the bromination process and its effects on molecules like cyclopentene, 2,3-dimethylbut-2-ene, and CH3 toluene, leading to valuable insights into organic chemistry.
Identifying Incorrect Ground-State Electron Configurations and Providi
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video delves into the significance of electron configurations in understanding an atom's chemical behavior. It examines and corrects inaccuracies in the electron configurations of Aluminium (Al), Boron (B), and Fluorine (F). For instance, the electron configuration for Aluminium is initially presented with an incorrect number of electrons in the 2p subshell, stressing the importance of adhering to the rules of electron configuration for precise atomic representation.
Understanding Barometers: How Do They Measure Pressure?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us in this enlightening video as we delve into the inner workings of barometers. Discover how these essential weather instruments operate, using a column of mercury to measure pressure. We'll explore the principles behind this ingenious device and help you understand the science behind pressure measurement. Whether you're a weather enthusiast or a science lover, this video will provide valuable insights into the fascinating world of barometers.
Mastering Unit Conversions: From Light-Years to Feet/sec
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to convert between various units of measurement, ranging from cosmic distances to everyday lengths. The video takes viewers through the process of translating light-years into miles, yards into centimeters, and incredibly high speeds from cm/s to feet per second. Simplifying complex conversions, this guide offers clarity in the world of physics.


















