CHEM 820: Research: Materials Chemistry

School: Indiana University

Number of Notes and Study Guides Available: 0

Videos

Drawing the Lewis Structure for Glycine: The Protein Building Block

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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.

Calculating [H?] in HNO? Solution Halfway to Equivalence with KOH

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Unraveling HNO? Titration: Calculating [H?] Halfway with KOH. Harness the Henderson-Hasselbalch equation for pH determination. Discover the pH at midpoint between weak acid and strong base titration.

Number of molecules in 3.5g H?O, 56.1g N?, 89g CCl?, 19g C?H??O?

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This video shows how to determine the number of molecules in a given sample by utilizing the concept of moles, Avogadro's number (6.022 x 10²³), and the molar mass of the substance. It provides step-by-step calculations for different substances, converting mass to the number of molecules and highlighting the versatile application of this approach.

Breaking Down Mixtures: Finding Mass Percent of Sodium Compounds

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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

Making a 0.150 M Ba(OH)? Solution: A Step-by-Step Guide

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Learn how to calculate the amount of Barium hydroxide, Ba(OH)?, needed to prepare a specific molar concentration. This tutorial breaks down the relationship between moles of hydroxide ions and moles of Ba(OH)?, guiding users through each step for precise results. Embrace the essence of molarity in solution preparation.