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PromisedLandLowerLake

This is a 360 video tour of a lake in Promised Land State Park, located in northeast Pennsylvania. In this video, you will learn about the natural history of this region and see some features of this…

From  Griff Lewis 0 likes 1 plays 0  

CHEM 110 - Chapter 1.2-3 Avogadro's Number, Ions and Molecules

Introduction and Learning objectives 00:00 Molecules versus ions 00:55 Molecules can be represented in various ways 02:47 Defining Avogadro’s number 03:45 Calculating molar mass 05:57…

From  Adam Herring 0 likes 448 plays 0