Catalog Search Results
Author
Series
Great Courses volume 55
Language
English
Description
Explore the chemistry of fuels, which are materials that react with an oxidant to produce energy. Start with cellulose, the primary constituent of wood, then survey petroleum distillates, such as kerosene, diesel, and gasoline. Close by learning how plant oils can be used to make biodiesel, which behaves similarly to petroleum-based diesel.
Author
Series
Great Courses volume 21
Language
English
Description
Build on your understanding of aromatics by investigating a very useful class of reactions: electrophilic aromatic substitution. What's the general mechanism by which these reactions occur? What are some of the many modifications chemists can make to benzene? What role did this reaction play in the synthesis of one of the most infamous organic compounds of all time, DDT?
Author
Series
Great Courses volume 38
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.
Author
Series
Great Courses volume 25
Language
English
Description
Probe the connections between biology and metals with this lecture on some compounds and reactions in the field of organometallic chemistry. As you'll quickly learn, organometallics have a range of practical applications; one example you'll encounter is Dotarem, an organometallic compound used to help detect tumors in cancer patients.
Author
Series
Great Courses volume 5
Language
English
Description
Focus on the first of several fundamental classes of reactions you'll encounter throughout this course: the proton transfer reaction. You'll learn the three classifications of acids and bases; the Arrhenius, Bronsted-Lowry, and Lewis definitions; how chemists predict proton transfer reaction outcomes; two kinds of intramolecular proton transfer reactions; and more.
Author
Series
Great Courses volume 33
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.
Author
Series
Great Courses volume 15
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.
Author
Series
Great Courses volume 47
Language
English
Description
Launch into the first of three lectures on organic chemistry, which is the field dealing with carbon-based molecules, and understand why carbon makes such a versatile molecule. As an example, survey the incredible variety displayed by hydrocarbons, from bitumen (asphalt) to gasoline and methane.
Author
Series
Great Courses volume 28
Language
English
Description
Transition to the other side of the visible spectrum and discover how infrared spectroscopy provides chemists with different information about structures. In doing so, you'll come to see molecular structures in a new light: not as rigid constructs but as dynamic, vibrating frameworks with bonds that can stretch and bend.
Author
Series
Great Courses volume 50
Language
English
Description
Starting with the mystery of the ancient Mayan rubber ball, trace the story of polymer chemistry from lucky accidents to the advances of chemist Hermann Staudinger, who in the early 20th century showed that polymers are macromolecules. Learn how synthetic polymers are created.
Author
Series
Great Courses volume 1
Language
English
Description
Chemistry is the study of all matter, but matter at a very particular scale - that of atoms and molecules. Professor Davis begins by outlining his approach to this enormous topic and then introduces the periodic table of elements, one of the most powerful conceptual tools ever devised.
Author
Series
Great Courses volume 39
Language
English
Description
Complete your study of acids and bases by searching out the fundamental causes of their disparate behavior. For example, why is there a difference in the ease with which various acids ionize? Your search draws on concepts from previous lectures, including electronegativity, molecular geometry, hybridization, and covalent bonding.
Author
Series
Great Courses volume 7
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?
Author
Series
Great Courses volume 16
Language
English
Description
Consider how atoms and molecules can create, consume, and transport the most vital commodity in the universe: energy. Practice calculating energy changes in reactions, explore the concept of enthalpy (the total heat content of a system), and learn how chemists use a device called a calorimeter.
Author
Series
Great Courses volume 31
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.
Author
Series
Great Courses volume 8
Language
English
Description
Turn to molecules, which are groups of atoms that make up compounds as well as some elements. Learn to calculate the empirical formula for a simple molecule and also its molecular formula, which gives the exact number of each type of atom.
Author
Series
Great Courses volume 32
Language
English
Description
How are organic materials purified for both study and practical use? One staple technique is recrystallization, which relies on the tendency of organic molecules to form highly ordered crystals. Topics here include the effect of impurities on organic crystalline solids; the phenomenon of incongruent melting; and more.
Author
Series
Great Courses volume 13
Language
English
Description
Discover an alternate model of chemical bonding: molecular orbital theory, developed by Friedrich Hund and Robert Mulliken. This idea explains such mysteries as why oxygen is paramagnetic. See a demonstration of oxygen's attraction to a magnet, then use molecular orbital theory to understand why this happens.
Author
Series
Great Courses volume 11
Language
English
Description
Take the next step beyond Lewis structures to see how atoms in a molecule are arranged in three dimensions. VSEPR theory (valence-shell electron-pair repulsion theory) provides chemists with a quick way to predict the shapes of molecules based on a few basic assumptions.
Author
Series
Great Courses volume 60
Language
English
Description
Conclude the course by ranging beyond our planet to sample atoms and molecules in the cosmos. Specifically, search for two substances that are prerequisites for life: water and organic molecules. Both turn out to be plentiful, suggesting that the study of chemistry has a long and bright future!
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