Molecular polarity | Chemistry | Khan Academy скачать в хорошем качестве

Molecular polarity | Chemistry | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/h... Want to explore more? Check out the full States of matter playlist here:    • States of matter | Chemistry | Khan Academy   Molecular polarity is determined not just by individual polar bonds, but by the molecule’s 3D shape. Even if bonds are polar, the overall molecule may be nonpolar if the shape cancels out the dipoles. Whether a molecule is polar or not influences properties like solubility, boiling points, and intermolecular interactions. Sections: 00:00 - Introduction 00:17 - Covalent bonds, electronegativity & polar bonds 01:55 - Why is carbon dioxide nonpolar? 03:52 - Polar bonds don't necessarily mean polar molecules! 04:34 - Why is water polar? 06:33 - ESP maps & symmetry 07:30 - Worked examples: CCl4 & CH3Cl 11:16 - Molecular polarity in larger molecules 13:07 - Intermolecular vs Intramolecular forces ------------------ Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://donate.khanacademy.org/give/4... Volunteer here: https://www.khanacademy.org/contribut...