PreparED Study Materials
Notes
Videos
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??.
Chips Nutritional Energy and Body Fat Conversion
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Discover how to calculate the nutritional energy in a bag of chips, and learn the science behind converting excess energy into body fat.
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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.
Glycerin Solution Vapor Pressure at 39.88°C
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Discover how to calculate the vapor pressure of a glycerin solution when mixed with water at a specific temperature. A valuable chemistry lesson.
Homogeneous vs Heterogeneous Mixtures: Examples & Classification Expla
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Explore the distinction between homogeneous and heterogeneous mixtures. Through real-world examples like baby oil, chocolate chip cookies, and wine, understand their uniformity, phases, and how components are distributed.
