PreparED Study Materials
Notes
Study Guides
Videos
Glycerin Solution Vapor Pressure at 39.88°C
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to calculate the vapor pressure of a glycerin solution when mixed with water at a specific temperature. A valuable chemistry lesson.
Strontium: Deep Dive into Its Isotopes & Atomic Structure
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the step-by-step process of Barium Sulfate formation from the reaction of Barium Chloride with Sodium Sulfate. Learn about molar mass calculations stoichiometry and yield predictions.
Calculating Silver Density from Weight and Water Displacement
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to find the density of silver using weight and water displacement. A step-by-step guide to a common laboratory technique.
Understanding Polar & Nonpolar Molecules: From Diazene to Nitrogen Dio
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the properties of various molecules like diazene, hydrogen peroxide, and carbon tetrafluoride. Understand the influence of molecular shape and electronegativity on polarity. Discover why some are polar while others are nonpolar based on their structure.
Chips Nutritional Energy and Body Fat Conversion
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to calculate the nutritional energy in a bag of chips, and learn the science behind converting excess energy into body fat.
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:
full solution
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