PreparED Study Materials

CHEM 3400: Instrumental

School: St. John's University (NY)

Number of Notes and Study Guides Available: 5

Notes

Study Guides

Videos

Calculating Backpacker's Fuel Weight: White Gas Density
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Learn how to determine the weight of white gas carried by a backpacker using its density. A valuable skill for hikers and campers.

SN2 Rate: Doubling NaOH & 1-Bromopropane Effects
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"Explore how altering concentrations and volume impacts the rate of an SN2 reaction between 1-bromopropane and sodium hydroxide. Learn the rate equation that describes this reaction and see real examples of how rate changes with concentration and volume adjustments

Evolutionary Implications of Cytochromes vs. Hemoglobin and Myoglobin
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In this video, we delve into the fascinating world of evolutionary adaptations in heme-containing proteins.

Indium Secrets: Electron Config Magnetism & HCl Reaction
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This video breaks down the configurations for In In+ In2+ and In3+ distinguishing between diamagnetic and paramagnetic properties. Uncover the oxidation state of Indium in InCl2 and understand its diamagnetic nature.

Denver Pressure Conversion: Atmospheres mmHg psi & Pascals Explained
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Converting Denver's average pressure of 24.9 in. Hg into various units. This video provides clear steps to determine equivalents in millimeters of mercury atmospheres pounds per square inch and pascals. Understand the relationships and conversions between these common pressure units.

Understanding Reaction Rate Decrease Over Time
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This explanation delves into the phenomenon where the reaction rate decreases over time due to the decrease in reactant concentration, resulting in fewer successful collisions and reactions, without revealing specific examples or findings.

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