PreparED Study Materials
Notes
Videos
What is meant by K?.??
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Delve into the world of biochemistry and discover what this critical parameter means in the context of binding constants. We'll break down the significance of K?.? and explain how it's used to quantify the strength of interactions in various biological processes. Whether you're a student, scientist, or simply curious about the world of science, this video will provide you with a clear understanding of K?.? and its role in biochemical research.
Drawing the Lewis Structure for Glycine: The Protein Building Block
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how amino acids, specifically glycine, form the foundation of proteins. Understand and visualize the Lewis structure representation of glycine. Grasp the significance of atomic bonding and electron distribution.
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.
Comparing pH: Acid Concentrations Strength Ka pKa & pOH Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Understanding pH Values: In this video we break down the pH levels of various solutions. Discover the importance of acid strengths via Ka and pKa contrast weak vs. strong acids and learn the counterintuitive relationship between pOH and pH.
Unveiling Earth's Crust: Calculating Silicon Mass
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the fascinating process of calculating the mass of silicon in Earth's crust. Learn how to convert Earth's total mass to grams, determine the crust's mass percentage, and find the silicon's mass within the crust. Discover the scale of silicon's presence in our planet's outer layer.
Tailors' Seam Measurements: Precision and Accuracy Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
An in-depth analysis of the precision and accuracy in seam measurements by three apprentice tailors: X, Y, and Z, as they measure a pair of trousers. Understand how their measurements compare to the true length of 32.0 inches.