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Molecules come in infinite varieties, so in order to help the complicated chemical world make a little more sense, we classify and categorize them. One of the most important of those classifications is whether a molecule is polar or non-polar, which describes a kind of symmetry - not just of the molecule, but of the charge. In this edition of Crash Course Chemistry, Hank comes out for Team Polar, and describes why these molecules are so interesting to him. You'll learn that molecules need to have both charge asymmetry and geometric asymmetry to be polar, and that charge asymmetry is caused by a difference in electronegativities. You'll also learn how to notate a dipole moment (or charge separation) of a molecule, the physical mechanism behind like dissolves like, and why water is so dang good at fostering life on Earth.
Дата першого ефіру : Feb 04, 2013
Дата останнього ефіру : Jan 13, 2014
Епізод : 46 Епізод
Сезон : 1 Сезон
Час роботи: 11 хвилин
Студія: YouTube
Країна: United States of America
Актори: Hank Green
Екіпаж:
