PreparED Study Materials
Notes
Videos
Pseudo-Noble Gas Configurations: A Unique Path to Atomic Stability
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the concept of the pseudo-noble gas configuration, differentiating it from the traditional noble gas configuration. Examine examples like tin and indium to illustrate how elements achieve this unique state of stability. Unpack the intriguing intricacies within atomic structures.
Acid Strength Comparison: Isomers and Proton Removal Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video provides insights into determining the acid strength of various isomers by examining the ease of proton removal and the stability of the resulting anion. By comparing Propanamine to Trimethylamine and Methoxyethane to Propanol, we determine which compounds are more acidic.
Comparing Masses: Analyzing Water, Ethanol, Chloroform & Balsa Wood
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the relationship between mass, density, and volume using real-life examples, including water, ethanol, chloroform, and balsa wood. Learn the process of calculating mass and uncover which substance has the highest mass based on given conditions.
Indium Secrets: Electron Config Magnetism & HCl Reaction
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Finding NaOH Molarity: Titration of 0.200L SO?-Derived H?SO? Solution
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Determine the molarity of a NaOH solution through titration with sulfurous acid. Starting with the ideal gas equation we derive the concentration of a 0.200L SO?-derived H?SO? solution. Concluding with a molarity of 1.64 M for NaOH using calculated values.
STP Reactions: How Phosphorus & Oxygen Form P?O??
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Grasp the concept of Standard Temperature and Pressure (STP) and its significance in chemistry. Through a practical example, this video elucidates how phosphorus reacts with oxygen at STP to produce tetraphosphorus decaoxide. Comprehensive mole calculations and chemical equations simplify this intriguing chemical process.
















