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  • 092826 L1 Chemistry 221 Video Lecture

    092826 L1 Chemistry 221 Video Lecture
    2026/09/28

    Chemistry 221 L1 Video Lecture from September 28, 2026.

    This video covers Chapter 1 and Chapter 2 including mass percent, the nature of the atom, protons, electrons, neutrons, atomic number, mass number, ions of atoms and more.

    CH 221 website: http://mhchem.org/221

    Let me know if you have any questions! Peace!
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    51 分
  • 092526 L1 Chemistry 221 Video Lecture

    092526 L1 Chemistry 221 Video Lecture
    2026/09/25

    Chemistry 221 L1 Video Lecture from September 25, 2026.

    This video covers Chapter 1 including volume, density, precision, accuracy, significant figures, and more.

    CH 221 website: http://mhchem.org/221

    Let me know if you have any questions! Peace!
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    50 分
  • 092426 L2 Chemistry 221 Video Lecture Part III

    092426 L2 Chemistry 221 Video Lecture Part III
    2026/09/24

    Chemistry 221 L2 Video Lecture from September 24, 2026., Part 3 of 3.

    This video covers Chapter 1 including significant figures, doubtful digits, rounding, the differences between multiplying/dividing and adding/subtracting, mass percentages, and more.

    CH 221 website: http://mhchem.org/221

    Let me know if you have any questions! Peace!
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    46 分
  • 092426 L2 Chemistry 221 Video Lecture Part II

    092426 L2 Chemistry 221 Video Lecture Part II
    2026/09/24

    Chemistry 221 L2 Video Lecture from September 24, 2026., Part 2 of 3.

    This video covers Chapter 1 including a discussion of the periodic table, groups periods, chemical and physical properties, mass, length, temperature scales, volume, density, and more.

    CH 221 website: http://mhchem.org/221

    Let me know if you have any questions! Peace!
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    58 分
  • 092426 L2 Chemistry 221 Video Lecture Part I

    092426 L2 Chemistry 221 Video Lecture Part I
    2026/09/24

    Chemistry 221 L2 Video Lecture from September 24, 2026., Part 1 of 3.

    This video covers Chapter 1 including a discussion of 'what is chemistry?', matter versus weight, phases of matter, the kinetic molecular theory, elements and compounds, and more.

    CH 221 website: http://mhchem.org/221

    Let me know if you have any questions! Peace!
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    54 分
  • 092326 L1 Chemistry 221 Video Lecture

    092326 L1 Chemistry 221 Video Lecture
    2026/09/23

    Chemistry 221 L1 Video Lecture from September 23, 2026.

    This video covers Chapter 1 including a discussion of the periodic table, groups periods, chemical and physical properties, mass, length, temperature scales, and more.

    CH 221 website: http://mhchem.org/221

    Let me know if you have any questions! Peace!
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    50 分
  • 092126 L1 Chemistry 221 Video Lecture

    092126 L1 Chemistry 221 Video Lecture
    2026/09/21

    Chemistry 221 L1 Video Lecture from September 21, 2026.

    This video covers Chapter 1 including a discussion of 'what is chemistry?', matter versus weight, phases of matter, the kinetic molecular theory, elements and compounds, and more.

    CH 221 website: http://mhchem.org/221

    Let me know if you have any questions! Peace!
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    50 分
  • Chapter 1 Complete Lecture Part II

    Chapter 1 Complete Lecture Part II
    2026/08/10
    This the Complete Lecture for Chapter 1. This episode is part 2 of 2 episodes.
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    59 分