PreparED Study Materials
CHEM 105: CHEM 105
School: Northern Michigan University
Number of Notes and Study Guides Available: 1
Notes
Videos
Neon Gas Pressure Change in 0.75-L Cylinder
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In this problem, we are tasked with determining the pressure of neon gas in a 0.75-L cylinder at 30°C after compressing it from a 2.50-L sample at 0.00°C and 1.00 atm using the combined gas law equation, with step-by-step calculations leading to a final pressure value of approximately 3.699 atm.
Positron Emission Nuclear Equations: Co-55, Na-22, F-18
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Learn how to write nuclear equations for positron emission with Co-55, Na-22, and F-18. Explore the fascinating world of nuclear reactions.
Calculating Percent Composition: Using Molecular Formulas & Atomic Mas
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Understand the process of calculating percent composition using the molecular formula. Grasp the methodology with compounds like C2H4O2, CH2O2, and more. Discover how atomic masses influence the mass percent of elements in various compounds.
Potassium and Iodine Monatomic Ions: Atomic Insights Revealed
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Discover the monatomic ions formed by potassium and iodine in this informative chemistry tutorial. Learn how to determine ion charges based on atomic properties and their positions on the periodic table.
Weighting Epsom Salts for Baths & CO? in Soda: Molecular Insight
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Learn the step-by-step process to convert moles into grams using the molecular weight of Epsom salts (MgSO?) and carbon dioxide (CO?). From bathtub to soda bottle understand the science behind the amounts
Sketching Lewis Structures: Radical Species ClF? and BrO? Explained
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This video elucidates the method to sketch Lewis structures for the radical species ClF? and BrO?. Highlighting the distinguishing feature of an unpaired electron, we illustrate the bond arrangements and lone pairs that define these unique chemical entities.














