PreparED Study Materials

CHEM 122: General Chemistry 1 Lab (CHEM122 20362/20325)

School: Eastern Michigan University

Number of Notes and Study Guides Available: 4

Notes

Videos

Using Avogadro's Number: Calculating Moles of Aluminum & Iron Atoms
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Learn how to determine the number of moles in a given set of atoms using Avogadro's number. This tutorial breaks down the calculation for Aluminum and Iron, simplifying the concept for better understanding.

Orthorhombic Unit Cell: Decoding Nickel Sulfate's Crystal Density
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The video offers an insightful look into the orthorhombic unit cell, a unique crystal lattice structure. By exploring nickel sulfate's unit cell and its specific dimensions, we determine both the number of formula units and the density of this crystalline structure.

Rutherford's Gold Foil: The Pivot to the Modern Nuclear Atom Model
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Discover Rutherford's pivotal Gold Foil Experiment and its impact on atomic theory. Unveil the discrepancies with the Plum Pudding Model. Grasp the birth of the nuclear atom model through unexpected alpha particle deflections.

Calculating Formula Masses: From Barium Bromide to Hydrobromic Acid
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Understand the process of calculating formula masses for various compounds. This video breaks down the atomic masses for elements in barium bromide, dinitrogen trioxide, copper(I) sulfate, and hydrobromic acid. Master the method of summing up the masses considering atom count in each formula.

Identify the 3' and 5' ends of the DNA segment AGTCAT
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This video discusses the fundamental concept of DNA structure, focusing on the identification of the 3' and 5' ends of a DNA segment, specifically highlighting the sequence AGTCAT and its importance in understanding DNA strand direction for processes like replication and transcription.

Classifying Formaldehyde, Methanol, Dichloromethane & CO?: Polar or No
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Explore the classification of select molecules based on their polarity. Understand the electron distribution and molecular shapes of Formaldehyde, Methanol, Dichloromethane, and Carbon dioxide. Discover which ones exhibit a net dipole moment and which ones don't.

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