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Author
Description
"Have you ever wondered what makes dough rise? Or how your morning coffee gives you that energy boost? Or why your shampoo is making your hair look greasy? The answer is chemistry. From the moment we wake up until the time we go to sleep (and even while we sleep), chemistry is at work—and it doesn't take a PhD in science to understand it. Dr. Biberdorf has appeared on TV programs from the Today show to The Late Show with Stephen Colbert, lighting...
Author
Formats
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"In this quirky and endlessly surprising book, a quick-witted chemist reveals the amazing science behind everyday things (like coffee, breakfast, and trips to the dentist) and not-so-everyday things (like space travel and baby dinosaurs). Dr. Mai Thi Nguyen-Kim uses the same relatable style that makes her a popular YouTuber to explain scientific concepts everyone should know. Over the course of a single day, Mai shows us that science is everywhere;...
Series
Chemistry essentials volume 002
Description
In this video lesson, Paul Andersen explains how chemical analysis is important in determining the composition, purity and empirical formula of a compound. An empirical formula determination problem is also included.--Publisher.
5) Solutions
Series
Chemistry essentials volume 015
Description
In this video lesson, Paul Andersen explains the important properties of solutions. A solution can be either a solid, liquid or gas but it must be homogeneous in nature. The solutes can not be separated with a filter and so either chromatography or distillation must be used. Molarity is the number of moles of a solute in a solution. A simple molar solution preparation is also included.--Publisher.
Author
Formats
Description
Many of the most toxic materials on Earth—from arsenic to plutonium—occur naturally, but manufacturers have also used them in products such as paints, plumbing, pesticides, nuclear fuel, and weaponry. Without careful management, toxins can leach into groundwater or pollute our environment. Exposure to toxins leads to various cancers, impairment of the immune and reproductive systems, as well as cognitive problems. What can be done? Solutions include...
Series
Description
"The Chemistry Book is packed with short, pithy explanations of some of the most historic moments in science, from the birth of atomic theory to the discovery of polyethylene and the development of new vaccine technologies to combat COVID-19. Simple graphics, such as flowcharts and mind maps, support the text and make the explanation of key concepts easy to follow. Arranged in chronological order, the book covers key themes in the physical and natural...
Series
Chemistry essentials volume 039
Description
In this video lesson, Paul Andersen explains how the activation energy is a measure of the amount of energy required for a chemical reaction to occur. Due to the collision theory, the activation energy requires proper energy and orientation of the colliding molecules. The Maxwell-Boltzman distribution can be used to determine the number of particles above and below this point.--Publisher.
12) The mole
Series
Chemistry essentials volume 003
Description
In this video lesson, Paul Andersen defines and explains the importance of the mole. The mole is simply a number (like a dozen) used to express the massive number of atoms in matter. It serves as a bridge between the mass of a compound and the number of particles. It is represented in chemical reactions as the coefficient before reactants and products.--Publisher.
Description
Dig deeper into the nucleus to discover how so little matter can convert into the tremendous energy of a nuclear explosion, as described by Albert Einstein's famous mass-energy equation. Focus on nuclear binding energy and mass defect, both of which are connected to the release of nuclear energy.
Description
Complete your mastery of the trifecta of fundamental organic reactions with a lecture on addition, which adds new groups to unsaturated molecules by sacrificing pi bonds for more stable sigma bonds. You'll explore the basics of addition reactions; the hydrogenation of alkenes and alkines; the ways addition has helped create food additives; and much more.
Description
Probe the methods used by researchers to create molecules that can correct medical problems such as inflammation, bacterial infections, and cancer. As an example, study the lock-and-key model of enzyme activity, which explains how many enzymes work, highlighting a potential weak link that can be exploited by drugs.
Description
How do organic chemists actually prove the behavior of molecules and chemical structures you've learned about in the preceding lectures? The answer: spectroscopy, which entails the observation of the interaction between matter and light. In the first of several lectures on the topic, focus specifically on observations made with the UV-visible spectrum.
Description
In this final lecture on spectroscopic techniques, discover the importance of modern NMR spectrometers, which use superconducting magnets and radio receivers to collect spectra with more speed and precision (and in different ways) than other techniques. Also, get an intriguing lesson in the human element - and limitations - involved in spectroscopy.
Description
Now turn to liquids, which have a more complicated behavior than gases. The same intermolecular forces apply to both, but at much closer range for liquids. Explore the resulting properties, including viscosity, volatility, incompressibility, and miscibility. Also consider applications of these qualities.
Description
Get a taste of one of the favorite challenges for organic chemists - turning one organic compound into another. Focus on three types of reactions from the many used in organic synthesis: substitution, elimination, and addition. Close by considering the vital role of water in organic chemistry.
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