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03:25 Physical Science What is chemical equilibrium? Lesson duration 03:25 Manage Library 880,555 Views
07:51 Physical Science Early forensics and crime-solving chemists Lesson duration 07:51 Manage Library 81,983 Views
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03:23 Physical Science Activation energy: Kickstarting chemical reactions Lesson duration 03:23 Manage Library 224,404 Views
04:19 Science & Technology Solving the puzzle of the periodic table Lesson duration 04:19 Manage Library 1,074,263 Views
04:16 Physical Science Radioactivity: Expect the unexpected Lesson duration 04:16 Manage Library 898,521 Views
04:25 Physical Science The genius of Mendeleev’s periodic table Lesson duration 04:25 Manage Library 2,935,054 Views
03:26 Physical Science Describing the invisible properties of gas Lesson duration 03:26 Manage Library 167,936 Views
02:50 Physical Science The ABC's of gas: Avogadro, Boyle, Charles Lesson duration 02:50 Manage Library 197,407 Views