Uploaded May 2025 | Updated September 2026, 1 week ago

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Dalton’s gas pressure experiments, Law of Partial Pressures, and Atomic Theory transformed chemistry from philosophy into science. Learn how experimental evidence led to a predictive atomic model still tested in general chemistry. While not every aspect of his Atomic Theory holds true today, he still turned chemistry into a true science.

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0:00 Brief Bio of John Dalton
0:28 Law of Partial Pressures
1:12 Law of Partial Pressures EXAMPLE CALCULATION
2:17 Law of Partial Pressures IMPLICATIONS
2:39 Dalton's Atomic Theory
3:23 What does this mean for the structure of the atom?
3:57 Dalton's Atomic Model

Citations:
Paula Yurkanis Bruice, "Organic Chemistry" 8th ed
openstax.org/details/books/organic-chemistry
openstax.org/details/books/chemistry-2e

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