PreparED Study Materials
CHEM 1211: Chemistry 1211: General Chemistry
School: 1 MDSS-SGSLM-Langley AFB Advanced Education in General Dentistry 12 Months
Number of Notes and Study Guides Available: 6
Notes
Videos
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:
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.
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.
Chromium Oxides: Acidity Comparison in Water
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Compare the acidity of chromium trioxide (CrO?) and chromium (II) oxide (CrO) in water. Chromium trioxide forms strong chromic acid increasing hydronium ions, while chromium (II) oxide has weaker oxidizing properties, resulting in a less acidic solution.
Indium Secrets: Electron Config Magnetism & HCl Reaction
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video breaks down the configurations for In In+ In2+ and In3+ distinguishing between diamagnetic and paramagnetic properties. Uncover the oxidation state of Indium in InCl2 and understand its diamagnetic nature.
Does Cesium Bromide & Hydrogen Iodide in Water Conduct Electricity?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the conductivity of aqueous solutions: Cesium bromide and hydrogen iodide. Understand their ionic nature and how it leads to the presence of charged ions enabling electricity conduction
Comparing Viscosity: Why C5H11OH is 12x Thicker than C6H14 at 20°C
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the intriguing contrast between Pentanol and Hexane's viscosity at 20 degrees Celsius. Uncover how molecular interactions influence a liquid's 'thickness' and discover why similar molecular weights can lead to vastly different substance properties