PreparED Study Materials
Notes
Videos
Determining Base Concentration Using KHP: Indicator Choice Solution
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to choose the right indicator for a titration involving Potassium hydrogen phthalate (KHP) and a strong base. Grasp the calculations from molar mass to pH and understand why Thymolphthalein is the ideal choice for a change near pH 8.95.
Ethylene Glycol: Mass and Volume Calculations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore how to calculate the mass and volume of ethylene glycol, a common antifreeze, using its density. Understand the essentials of density-related calculations.
Boyle's Law Explained: From Compression to Pressure Calculation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the intricacies of Boyle's Law through an example involving isothermal compression of a perfect gas. Watch as we calculate the original pressure using the change in volume and final conditions. This tutorial simplifies complex gas laws for easy comprehension.
Calculating Backpacker's Fuel Weight: White Gas Density
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to determine the weight of white gas carried by a backpacker using its density. A valuable skill for hikers and campers.
Element Classification: Rep, Trans, Inner-Trans, Noble Gases
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
We categorize elements into representative, transition, inner-transition, and noble gases based on their positions in the periodic table and general characteristics, without revealing specific element classifications.
Cyclohexane to Adipic Acid: Nylon's Yield Calculations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating conversion of cyclohexane and oxygen into adipic acid, essential in nylon manufacture. This video breaks down the calculation of theoretical yield, actual yield, and the resultant percent yield of the process. From molar masses to intricate equations, get a concise understanding of this industrial reaction.




