Khan Academy | Molecular polarity | Chemistry | Khan Academy @khanacademy | Uploaded September 2024 | Updated October 2024, 6 days ago.
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!
khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:states-of-matter/x2613d8165d88df5e:electronegativity-and-bond-polarity/v/molecular-polarity
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: donate.khanacademy.org/give/419869/#!/donation/checkout
Volunteer here: khanacademy.org/contribute?utm_source=youtube&utm_medium=desc
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!
khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:states-of-matter/x2613d8165d88df5e:electronegativity-and-bond-polarity/v/molecular-polarity
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: donate.khanacademy.org/give/419869/#!/donation/checkout
Volunteer here: khanacademy.org/contribute?utm_source=youtube&utm_medium=desc
