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03:26 Physical Science Describing the invisible properties of gas Lesson duration 03:26 190,666 Views
02:50 Physical Science The ABC's of gas: Avogadro, Boyle, Charles Lesson duration 02:50 221,513 Views
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04:15 Data Analysis & Probability A clever way to estimate enormous numbers Lesson duration 04:15 1,039,579 Views
04:33 Physical Science How big is a mole? (Not the animal, the other one.) Lesson duration 04:33 2,602,774 Views
04:39 Numbers & Operations An introduction to mathematical theorems Lesson duration 04:39 504,205 Views
