Unit Conversions using Metric Prefixes

2025-04-16

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SI System: Base Units, Derived Units, Metric Prefixes, & Why They Matter

2025-04-02

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Scientific Measurements & Uncertainty

2025-03-19

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Extensive vs. Intensive Properties | What’s the Difference?

2025-03-05

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Physical vs. Chemical Changes | Science Explained with Examples

2025-02-19

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Spin 1/2 of Electrons: Demo & Explanation

2024-08-13

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Atoms, Elements, Molecules, and Compounds: What's the difference?

2024-07-29

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Classification of Matter Explained

2024-07-15

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Phases of Matter Explained: Solids, Liquids, and Gases

2024-07-01

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Michelson-Morley & The Scientific Method

2024-06-15

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The Early History of Chemistry

2024-06-08

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Average Atomic Mass - Practice Problem

2022-10-15

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Why Do Electrons Have Discrete Energy Levels?

2022-09-10

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How Empty is an Atom? (Bike Tour of Atom)

2022-08-13

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A Scientifically Accurate Weight Loss Commercial (Mass vs Weight)

2022-07-02

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Keep Assumptions at Bay: Think Like a Scientist

2022-06-18

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Dimensional Analysis & Avoiding Common Mistakes

2022-02-26

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Red Cabbage pH Indicator - At Home Lab Experiment

2022-01-29

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VSEPR Theory & Molecular Geometries (with Balloons)

2021-12-04

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Significant Figures in Measurements

2021-10-16

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Significant Figures in Multistep Calculations

2021-10-09

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Numbers with Infinite Significant Figures: Exact Definitions

2021-10-02

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Significant Figures in Logarithms & Antilogs

2021-09-25

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Significant Figures in Addition & Subtraction

2021-09-18

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Significant Figures in Multiplication & Division

2021-09-11

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How Many Significant Figures are in These Numbers?

2021-09-04

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Significant Figures & Why They Matter

2021-08-28

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Molecular Formula from Empirical Formula & Molar Mass

2021-06-27

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Calculating Percent Composition by Mass

2021-06-06

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Limiting Reactants & Percent Yield

2021-05-30

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Balancing Chemical Equations - Algebraic Method

2021-05-25

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Balancing Chemical Equations - Trial & Error Method

2021-05-25

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Introduction to Balancing Chemical Equations

2021-05-23

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