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Students often have erroneous concepts concerning the separation process on a gas chromatography column. An escalator-in-a-mall analogy helps students gain more accurate conceptions.
These authors show that erroneous theoretical assumptions often lead to the publication of incorrect information.
The mnemonic SOS (Same, Opposite, Same) can be helpful to recall the stereochemistry in either D-glucose or L-glucose. It refers to the configurations of C-2, C-3, and C-4 relative to that of C-5 in… (More)
In this Mathcad document the fundamental principles of circular dichroism and circular birefringence are examined. Interactive graphs are included that permit the user to alter the phase difference… (More)
Using Charlie Brown and Dennis the Menace as an analogy for resonance hybrids (specifically benzene).
The torsional angle driver system for HyperChem/Excel is a package of several Excel spreadsheets and macro programs to be used with HyperChem to obtain and plot information, such as total energy, for… (More)
Using graphical flowcharts to determine R or S configurations through higher shell comparisons for long-chain, highly branched, and cyclic organic structures.