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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. Tertiary carbon - Wikipedia

    en.wikipedia.org/wiki/Tertiary_carbon

    The transition states for SN1 reactions that showcases tertiary carbons have the lowest transition state energy level in SN1 reactions. A tertiary carbocation will maximize the rate of reaction for an SN1 reaction by producing a stable carbocation. This happens because the rate determining step of a SN1 reaction is the formation of the carbocation.

  4. 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 ...

  5. SpaceX Starship (spacecraft) - Wikipedia

    en.wikipedia.org/wiki/SpaceX_Starship_(spacecraft)

    In December 2018, the structural material was changed from carbon composites [87] [80] to stainless steel, [88] [89] marking the transition from early design concepts of the Starship. [ 88 ] [ 90 ] [ 91 ] Musk cited numerous reasons for the design change; low cost and ease of manufacture, increased strength of stainless steel at cryogenic ...

  6. Georgia Couple Who Sexually Abused 2 Boys They Adopted in ...

    www.aol.com/georgia-couple-sexually-abused-2...

    A Georgia couple was sentenced to 100 years in prison without parole after adopting two boys and sexually abusing them. William and Zachary Zulock will each spend the rest of their lives behind ...

  7. Eddy-current testing - Wikipedia

    en.wikipedia.org/wiki/Eddy-current_testing

    In this technique, permeability variations are suppressed by applying a magnetic field. The saturation probes contain conventional eddy current coils and magnets. This inspection is used on partially ferromagnetic materials such as nickel alloys, duplex alloys, and thin-ferromagnetic materials such as ferritic chromium molybdenum stainless steel.

  8. World Cup 2014 - Uruguay vs. England | The Huffington Post

    data.huffingtonpost.com/2014/world-cup/matches/...

    The 2014 World Cup in Brazil has begun. Check HuffPost's World Cup dashboard throughout the tournament for standings, schedules, and detailed summaries of each match.

  9. CU Anschutz Medical Campus' grant to help restore vision to ...

    www.aol.com/cu-anschutz-medical-campus-grant...

    Researchers at the University of Colorado Anschutz Medical Campus received up to $46 million in a grant to help develop an innovative treatment to cure blindness.

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