09 Polar Molecules
Why are some molecules polar, others not? Can this be seen in the molecular structure? Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
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10 Polarization in electrophilic addition
The step of polarization repeatedly causes difficulties in understanding. For this reason, this screencast is intended for classroom follow-up and only illustrates the step of polarization of the bromine molecule by ethylene. Original: "Wolfgang Dukorn" Original: German. All translations in this v
NASA’s Operation IceBridge Completes Eleven Years of Polar Surveys
Click here to see more videos: https://alugha.com/NASA For eleven years from 2009 to 2019, the planes of NASA’s Operation IceBridge flew above the Arctic, Antarctic and Alaska, gathering data on the height, depth, thickness, flow and change of sea ice, glaciers and ice sheets. Designed to collect
The Polarimeter - How it works
This second video about the polarimeter is all about how it works. In particular, the polarization foils, polarization and analyzer are named, considered and described. Furthermore, it is discussed how the oscillation plane of linearly polarized light changes. Original: "Wolfgang Dukorn" Original:
09 Intermolecular Interactions
Van der Waals forces, dipole-dipole interactions and hydrogen bonds are explained. It is briefly repeated again how the polarity of molecules can be determined. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
Q 11 Mutarotation in glucose
alpha-glucose and beta-glucose are in balance. This can be demonstrated by measuring the angle of rotation of linearly polarized light. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
Covalent Bonding In Carbon Dioxide | Properties of Matter | Chemistry | FuseSchool
Carbon dioxide is a product of one of the most important chemical reactions in the world: combustion. Like water, the bonds in carbon dioxide are POLAR COVALENT, making the carbon atom delta positive and the oxygens delta negative. Although, unlike water, carbon dioxide is not a polar molecule ov
How long does it take to get frostbite?
How long does it take to get frostbite? Inspired by the polar vortex, childhood myths and a bitterly cold Michigan winter, we set out to find out more about frostbite, and just how dangerous going out in cold weather is. FOR FURTHER INFORMATION ON FROSTBITE, CHECK THE LINKS: Medical stuff: Unde
ScienceCasts: Taking the Wild out of Wildfire
A new NASA-funded tool is taking some of the ‘wild’ out of wildfires by making it possible for U.S. fire managers to better spot dangerous blazes. Visit http://science.nasa.gov/ for more. Active fire maps of the United States: http://activefiremaps.fs.fed.us Click here to see more videos: https:/
Earth's Cryosphere: The Arctic
This video segment adapted from NASA uses satellite imagery to provide an overview of the cryosphere in the northern hemisphere, including the Arctic. Investigate the cryosphere's role in North America, the extent of permafrost in the northern hemisphere, and how the polar regions play a role in reg
Changing Views of Pluto | NASA Planetary Sciences
Learn about seasonal changes on Pluto in this video adapted from NASA. Pluto is one of the largest members of the Kuiper belt, a region of small icy bodies in the outer solar system. Pluto is so tiny and distant that even images from the Hubble Space Telescope do not show much detail. Extensive comp
What in the World is the Group of 20? Five Things to Know about the G20
In order to ensure a more sustainable future, nations need to address the opportunities and threats of globalization. To do so, nations have created institutions to achieve an array of shared goals. Specifically, a family of institutions was created after World War II, which is inclusive. That i