Examlex
What can you deduce about the activation energy of a reaction that takes billions of years to go to completion? How about a reaction that takes only fractions of a second?
Chemical Shifts
Changes in the resonance frequency of nuclei in a magnetic field, providing information about the electronic environment in NMR spectroscopy.
Carbonyl Group
A group in chemistry where a carbon atom forms a double bond with an oxygen atom, denoted as C=O.
δ 3.1
A notation indicating a chemical shift of 3.1 in nuclear magnetic resonance (NMR) spectroscopy, often signifying the environment of a hydrogen atom in a molecule.
δ 4.2
A chemical shift value in nuclear magnetic resonance (NMR) spectroscopy indicating the resonance position of certain hydrogen atoms in a molecule relative to a standard reference.
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