CHEM 113: General Chemistry II

School: Colorado State University

Number of Notes and Study Guides Available: 0

Videos

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

Understanding STP: Calculating Gas Volumes at 0°C and 1 ATM

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Discover the fundamental concept of Standard Temperature and Pressure (STP) and its relevance in determining the volume of different gases. Learn to calculate gas volumes at STP using real-life examples of Chlorine, Nitrogen, Helium, and Methane. Grasp essential chemistry concepts seamlessly with practical demonstrations.

Determining Formula Mass: Step-by-Step Approach Using Atomic Masses

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Discover the method to determine the formula mass for various compounds. Learn about the importance of atomic masses and their role in compounds like Aluminium sulfate, Diphosphorus Trioxide, and more. Understand the step-by-step approach to accurately calculate molecular weights.

Moles of H in Samples: H?O, NH?, N?H?, C??H??

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Discover how to calculate the number of moles of hydrogen in different chemical samples, including H?O, NH?, N?H?, and C??H??.

Metric Conversions: cm to m, g to kg, cm to mm, mL to L

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Master metric unit conversions with step-by-step examples, including cm to meters, g to kilograms, cm to millimeters, and mL to liters.

Molecular Lewis Structures for CH?, CO?, H?Se, and NH?

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In this video, we demonstrate the creation of Lewis structures for methane, carbon dioxide, hydrogen selenide, and ammonia, highlighting the arrangement of atoms and bonds in each molecule. The video emphasizes the importance of Lewis structures in visualizing atomic bonding and the presence of lone electron pairs.