Lavoisier's Law of Conservation of Matter / Mass Explained

Learn about the discovery that matter can't be destroyed. Antoine Lavoisier showed that mass is neither created nor destroyed in a chemical reaction. Yes, that CO2 gas really does have a mass of 4.4 grams, even if it has a super low density and dissipates throughout the air. Learn about Lavoisier's findings and check your intuition about the mass of gas along the way.

What's an atom? Watch the whole playlist:    • Atomic Theory Explained | General Chemistr...  

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0:00 Mass is constant during any chemical reaction
0:26 Example Reaction: Decomposition of CaCO3
1:17 Mass of a gas? Check your intuition!
2:40 What does this mean for atomic structure?
3:08 Historically-Plausible Atomic Structures

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