Catalog Search Results
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
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.
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
Language
English
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.
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (35 minutes): digital, .flv file, sound
Language
English
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.
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
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.
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
Investigate some of the key methods scientists employ to communicate the right structural information about molecular compounds, including their identity, the ratio of elements that comprise them, and their connectivity. Explore Fischer projections, Newman projections, and stereoimages - all of which help us overcome the challenges of conveying the three-dimensional positions of atoms.
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
Stoichiometry may sound highly technical, but it is simply the relative proportions in which chemicals react. Discover how to balance a reaction equation, and learn how to solve problems involving limiting reagents, theoretical yield, percent yield, and optimized reactions.
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
Language
English
Description
Return to the periodic table, introduced in Lecture 1, to practice predicting properties of elements based on their electronic structure. Then, witness what happens when three different alkali metals react with water. Theory forecasts a pronounced difference in the result. Is there?
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (32 minutes): digital, .flv file, sound
Language
English
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.
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (28 minutes): digital, .flv file, sound
Language
English
Description
Survey events at the molecular level when substances convert between solid, liquid, and gaseous phases. Pay particular attention to the role of temperature and pressure on these transitions. Become familiar with a powerful tool of prediction called the phase diagram.
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
Description
Meet one of the fathers of modern physical chemistry, Linus Pauling. Hear about his theory of orbital hybridization, which solves some of the shortcomings of VSEPR theory by averaging the charge of electrons in different orbitals, accounting for the peculiar geometry of certain molecules.
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
Start taking a more biologically oriented look at the foundations of organic chemistry by investigating compounds known as carbohydrates. Examine Fischer projections of their two main classes, aldoses and ketoses; learn how cyclic sugars help create disaccharides and polysaccharides used in everything from fruit preserves to body armor; and more.
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (34 minutes): digital, .flv file, sound
Language
English
Description
Start examining various classes of organic compounds with alkanes, whose hydrocarbons consist entirely of hydrogen and carbon. How can a few simple carbon atoms lead to millions of possible alkane structures? How does structure affect their physical properties? And what curious role did they play in 19th-century whaling?
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (32 minutes): digital, .flv file, sound
Language
English
Description
Another purification method is distillation, used for producing potable water, refining oil, and more. First, examine the fundamental laws governing this influential chemical technique. Then, get a closer look at distillation apparatuses commonly used for vaporization and condensation. Finally, learn about azeotropes - mixtures of liquids that are impossible to distill.
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (33 minutes): digital, .flv file, sound
Language
English
Description
Explore alkyl halides, hydrocarbons where one or more hydrogen atoms are replaced by a halogen atom. You'll examine how larger halogen atoms decrease the volatility of alkyl halides compared to their alkane counterparts (which radically changed the science of refrigeration). You'll also learn about the reactivity of alkyl halides and the phenomenon of carbocation rearrangements.
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (35 minutes): digital, .flv file, sound
Language
English
Description
How can pi bonds change the chemistry of hydrocarbons? How did one of the greatest rivalries in chemistry lead to an understanding of trends in stability among regio- and stereoisomers with the same molecular formula? Why do terminal alkynes have such unusual acidity? Professor Davis has the answers to these and other questions.
Publisher
The Great Courses
Pub. Date
2014.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
Description
Make sense of a crucial concept in organic chemistry: the handedness of molecules, or, as chemists call it, "chirality." Topics include the definition of chiral tetrahedral centers; the creation of stereoisomer sets via inversion of handedness; and intriguing examples of stereoisomers (including enantiomers and double-bonded stereoisomers) and their unique chiral centers.
17) Chemistry series
Publisher
Kanopy Streaming
Pub. Date
2014.
Physical Desc
1 online resource (1 video file, approximately 129 min.) : digital, .flv file, sound
Language
English
Description
Explore the world of chemistry through these informative programs, which provide a valuable supplement to middle-school, high-school or college science curriculums. Films in the series include: Acids, Bases and salts (2nd Ed. ) Chemical bonding and Atomic structure (2nd Ed. ) Elements, Compounds and mixtures (2nd Ed. ) The periodic table of periodicity reaction rates and equilibrium solutions: ionic and molecular (2nd Ed. ).
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
Language
English
Description
So far, you have focused on acids that donate a single hydrogen ion in an acid-base reaction. Now turn to polyprotic acids - those that donate more than one proton per molecule. Investigate the complex ionization processes that ensue, and see how they play a role in regulating blood pH.
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
Hydrocarbons contain only hydrogen and carbon atoms. See how some of the hydrogen atoms can be replaced with new elements and groups of elements to create compounds with new properties. These heteroatoms and functional groups form virtually unlimited combinations of organic molecules.
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
Language
English
Description
It is said that water covers 75% of Earth's surface. But chemists know better: more accurately, Earth's surface is bathed in an aqueous solution - a mixture of water and many different dissolved solutes. Focus on dissolved carbon dioxide, methane hydrates, and the quest to extract dissolved gold.
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