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2. SN2 reaction - Wikipedia

   en.wikipedia.org/wiki/SN2_reaction

   Competition experiment between SN2 and E2. With ethyl bromide, the reaction product is predominantly the substitution product. As steric hindrance around the electrophilic center increases, as with isobutyl bromide, substitution is disfavored and elimination is the predominant reaction. Other factors favoring elimination are the strength of the ...

3. Substitution reaction - Wikipedia

   en.wikipedia.org/wiki/Substitution_reaction

   Coupling reactions are a class of metal-catalyzed reactions involving an organometallic compound RM and an organic halide R′X that together react to form a compound of the type R-R′ with formation of a new carbon–carbon bond. Examples include the Heck reaction, Ullmann reaction, and Wurtz–Fittig reaction. Many variations exist. [3]

4. Metal detector - Wikipedia

   en.wikipedia.org/wiki/Metal_detector

   U.S. Army soldiers use a military standard metal detector. A metal detector is an instrument that detects the nearby presence of metal. Metal detectors are useful for finding metal objects on the surface, underground, and under water. A metal detector consists of a control box, an adjustable shaft [dubious – discuss], and a variable-shaped ...

5. Bethany Joy Lenz Recalls 'Rude Awakening' After Leaving ... - AOL

   www.aol.com/bethany-joy-lenz-recalls-rude...

   Bethany Joy Lenz is looking back at the “rude awakening” she experienced after leaving a small, ultra-Christian cult in 2012.. During an appearance on the Rooted Recovery Stories with Patrick ...

6. Trump threatens to demand ownership of Panama Canal ‘in full’

   www.aol.com/trump-threatens-demand-ownership...

   “The Panama Canal opened for business 110 years ago, and was built at HUGE cost to the United States in lives and treasure,” Trump claimed.

7. Associative substitution - Wikipedia

   en.wikipedia.org/wiki/Associative_substitution

   The terminology is typically applied to organometallic and coordination complexes, but resembles the Sn2 mechanism in organic chemistry. The opposite pathway is dissociative substitution, being analogous to the Sn1 pathway. Intermediate pathways exist between the pure associative and pure dissociative pathways, these are called interchange ...