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  2. Nuclear magnetic resonance spectroscopy of stereoisomers

    en.wikipedia.org/wiki/Nuclear_magnetic_resonance...

    Nuclear magnetic resonance spectroscopy of stereoisomers most commonly known as NMR spectroscopy of stereoisomers is a chemical analysis method that uses NMR spectroscopy to determine the absolute configuration of stereoisomers. For example, the cis or trans alkenes, R or S enantiomers, and R,R or R,S diastereomers. [1] [2]

  3. All You Need Is A Chair To Get A Great Burn At Home - AOL

    www.aol.com/chair-workout-home-120000394.html

    Chair exercises make a surprisingly tough strength and cardio chair workout. Grab a seat and try any of these 20 best chair exercises programmed by a trainer.

  4. Stereoisomerism - Wikipedia

    en.wikipedia.org/wiki/Stereoisomerism

    Le Bel-van't Hoff rule states that for a structure with n asymmetric carbon atoms, there is a maximum of 2 n different stereoisomers possible. As an example, D-glucose is an aldohexose and has the formula C 6 H 12 O 6. Four of its six carbon atoms are stereogenic, which means D-glucose is one of 2 4 =16 possible stereoisomers. [20] [21]

  5. Stereochemistry - Wikipedia

    en.wikipedia.org/wiki/Stereochemistry

    Stereochemistry, a subdiscipline of chemistry, studies the spatial arrangement of atoms that form the structure of molecules and their manipulation. [1] The study of stereochemistry focuses on the relationships between stereoisomers, which are defined as having the same molecular formula and sequence of bonded atoms (constitution) but differing in the geometric positioning of the atoms in space.

  6. Stereocenter - Wikipedia

    en.wikipedia.org/wiki/Stereocenter

    Two enantiomers of a generic amino acid at the stereocenter. In stereochemistry, a stereocenter of a molecule is an atom (center), axis or plane that is the focus of stereoisomerism; that is, when having at least three different groups bound to the stereocenter, interchanging any two different groups creates a new stereoisomer.

  7. Over 50? 5 Chair Yoga Exercises You Should Do Every Day - AOL

    www.aol.com/over-50-5-chair-yoga-150005539.html

    Face the back of the chair for added support, or face away so your back rests against the chair. Sit tall and engage your glutes. Remain in the seated position as you focus on externally rotating ...

  8. Diastereomer - Wikipedia

    en.wikipedia.org/wiki/Diastereomer

    There are many more pairs of diastereomers, because each of these configurations is a diastereomer with respect to every other configuration excluding its own enantiomer (for example, R,R,R is a diastereomer of R,R,S; R,S,R; and R,S,S). For n = 4, there are sixteen stereoisomers, or

  9. I'm A Trainer, And These Are 5 Weight Machines You Should ...

    www.aol.com/lifestyle/im-trainer-5-weight...

    Instructions: Perform four sets of 10 to 12 reps for each exercise, resting for 60 seconds between each set and exercises to give your muscles enough time to recover without losing momentum.Choose ...

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