Examlex
Textbook publishers can charge high prices because students enrolled in a class must purchase the specific book that the professor has selected. Used copies are sometimes a lower-cost option, but textbook publishers have cleverly worked to undermine the used textbook market by releasing new editions after very short periods of time. According to Porter what "force" do used books industry represent?
Radical Cation
A positively charged ion that contains at least one unpaired electron, making it highly reactive.
IR Spectrum
A graph representing the infrared light absorption of a molecule, used to identify molecular structure and functional groups.
IR Spectroscopy
A technique used in chemistry to identify molecular structures by measuring the absorption of different frequencies of infrared light, providing information about functional groups present.
IR Absorption
A phenomenon where molecules absorb infrared radiation at specific wavelengths, corresponding to vibrations of their chemical bonds; used in spectroscopy for molecule identification.
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