General Chemistry Concepts

125 CQ
40 Lessons
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    1. Types of Matter
    A lesson with Professor Dave Explains
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    Learn to distinguish solids from liquids and gases, differentiate chemical changes from physical changes, and identify elements, compounds, and mixtures.

    Learn to distinguish solids from liquids and gases, differentiate chemical changes from physical changes, and identify elements, compounds, and mixtures.

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    2 CQ
    2. Rounding & Significant Figures
    A lesson with Professor Dave Explains
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    Learn how to determine the number of significant figures in a number, round accurately, and add, subtract, multiply, and divide numbers with sig figs.

    Learn how to determine the number of significant figures in a number, round accurately, and add, subtract, multiply, and divide numbers with sig figs.

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    3 CQ
    3. Scientific Notation
    A lesson with Professor Dave Explains
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    Learn how to use scientific notation to represent big and small numbers in a clean fashion. Then look at dimensional analysis and scientific unit conversion.

    Learn how to use scientific notation to represent big and small numbers in a clean fashion. Then look at dimensional analysis and scientific unit conversion.

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    3 CQ
    4. History of Atomic Theory
    A lesson with Professor Dave Explains
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    Take a historical stroll down chemistry lane. Learn how early atomic truths were unveiled, and take a look at some of the early atomic structure models.

    Take a historical stroll down chemistry lane. Learn how early atomic truths were unveiled, and take a look at some of the early atomic structure models.

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    3 CQ
    5. Nuclear Symbols
    A lesson with Professor Dave Explains
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    Knowing how to read nuclear symbols is an important chemistry skill. In this lesson, Professor Dave shows you how to interpret them with ease.

    Knowing how to read nuclear symbols is an important chemistry skill. In this lesson, Professor Dave shows you how to interpret them with ease.

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2 Comments
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Professor Dave Explains
Usually watching it twice helps! First time to get an overview and then a second time to catch what you missed.
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Carole R
I'm old - 72 - and physics is new to me so I need more time to process - how can I slow the process down?
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