CHEM 207: Forensic Science

School: St. Cloud State University

Number of Notes and Study Guides Available: 0

Videos

Comparing Bond Types: Ethane's Nonpolarity vs. Fluoromethane's Ionic L

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Examine the nature of bonds in methylamine, ethane, fluoromethane, and methanol. Identify ethane's nonpolar covalent bond and understand why fluoromethane's bond leans toward the ionic spectrum. Grasp essential concepts in molecular bonding with this deep analysis.

Structural Isomers: C4H10, C5H12, C6H14, C2H5Cl, C2H4Cl2, C2H3Cl3

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Explore the diverse world of structural isomers! Learn how to draw structures for all constitutional isomers with various molecular formulas, including C4H10, C5H12, C6H14, C2H5Cl, C2H4Cl2, and C2H3Cl3.

Calculating Water's Final Temp after a 345 kJ Heat Boost

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Discover how to determine the final temperature of a water sample after heat absorption. Utilizing the concept of specific heat capacity and the formula q = mc?T, we calculate the change in temperature and reveal its new state. Experience the transformation from an initial tepid state to a drastically altered thermal condition.

Determining Base Concentration Using KHP: Indicator Choice Solution

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Discover how to choose the right indicator for a titration involving Potassium hydrogen phthalate (KHP) and a strong base. Grasp the calculations from molar mass to pH and understand why Thymolphthalein is the ideal choice for a change near pH 8.95.

Differentiating Strong & Weak Electrolytes: Ionization in Aqueous Solu

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Discover the difference between strong and weak electrolytes by understanding their ionization in water. Using nitrous acid and nitric acid as examples, this video provides chemical equations that visually distinguish the ionization behavior of these electrolytes.

Pure Substances vs. Mixtures: Classifying Based on Composition & Distr

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Understand the fundamental distinctions between pure substances and mixtures. Unpack the definitions and real-world examples of elements, compounds, homogeneous, and heterogeneous mixtures.