PreparED Study Materials
CHM 211: LEC:Organic Chemistry (Must Register for LAB)
School: University of North Carolina - Wilmington
Number of Notes and Study Guides Available: 4
Notes
Study Guides
Videos
Shapes & Forces: How Molecule Structure Affects Bonds
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unveil the correlation between molecular shapes and their respective intermolecular forces. Delve into the specifics of nitrogen trichloride, ammonia, silane, and carbon tetrachloride, highlighting their unique force interactions based on polarity.
Differentiating Strong & Weak Electrolytes: Ionization in Aqueous Solu
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the difference between strong and weak electrolytes by understanding their ionization in water. Using nitrous acid and nitric acid as examples, this video provides chemical equations that visually distinguish the ionization behavior of these electrolytes.
Rutherford's Gold Foil: The Pivot to the Modern Nuclear Atom Model
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover Rutherford's pivotal Gold Foil Experiment and its impact on atomic theory. Unveil the discrepancies with the Plum Pudding Model. Grasp the birth of the nuclear atom model through unexpected alpha particle deflections.
Calculating MgO Mass from Oxygen Gas at STP
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this video, the problem involves calculating the mass of magnesium oxide (MgO) produced when 14.8 liters of oxygen gas react with magnesium metal according to the chemical equation 2Mg + O2 -> 2MgO. The stoichiometric relationship is used to determine that 0.6607 moles of oxygen gas results in 1.3214 moles of MgO, with a final calculation yielding a mass of 53.25 grams of MgO formed during the reaction at Standard Temperature and Pressure (STP).
Understanding Barometers: How Do They Measure Pressure?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
Breaking Down Mixtures: Finding Mass Percent of Sodium Compounds
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Uncover the method to determine mass percentages of Sodium Bromide and Sodium Sulfate in a mixture using the given Sodium content. Walk through a step-by-step calculation leveraging molar masses to derive the composition. Discover the resulting mass percentages: 23.85% for Sodium Bromide and 76.15% for Sodium Sulfate
Textbook Solutions (0)
Top Selling Study Tools
Week one, unit one (Chemistry)
CHM 101
University of North Carolina - Wilmington
1 pages | Fall 2018