PreparED Study Materials
CHEM 203: Energy and the Environment
School: New York University
Number of Notes and Study Guides Available: 0
Videos
Dimethylamine vs. Trimethylamine: Structures & Boiling Points
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the science behind boiling points and molecular interactions in this video. Explore why Dimethylamine boils at a higher temperature than Trimethylamine, despite having a lower molecular weight, and gain insights into the role of molecular structures in determining physical properties.
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.
Converting Pressure Units to Atmospheres: mmHg, bars, Torr, kPa
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this instructional video, we explore the conversion of various pressure units into atmospheres, covering mmHg, bars, Torr, and kPa. The process involves utilizing conversion factors to ensure accurate results for each unit. By the end, you'll have equivalent pressures in atmospheres for the given values, enhancing your understanding of pressure conversions.
SN2 Rate: Doubling NaOH & 1-Bromopropane Effects
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
"Explore how altering concentrations and volume impacts the rate of an SN2 reaction between 1-bromopropane and sodium hydroxide. Learn the rate equation that describes this reaction and see real examples of how rate changes with concentration and volume adjustments
Comparing Bond Types: Ethane's Nonpolarity vs. Fluoromethane's Ionic L
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Examine the nature of bonds in methylamine, ethane, fluoromethane, and methanol. Identify ethane's nonpolar covalent bond and understand why fluoromethane's bond leans toward the ionic spectrum. Grasp essential concepts in molecular bonding with this deep analysis.
Determining Oil & Ball Bearing Density: Physics Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to determine the density of mineral oil and a metal ball bearing using a graduated cylinder. Learn the method of calculating the mass difference and volume to deduce the density and radius of the ball. Watch a detailed physics experiment explained step by step.



















