Elimination Reactions ________________________________________ As described previously‚ primary alkyl halides generally undergo substitution reactions with simple nucleophiles by an SN2 mechanism. Secondary alkyl halides‚ often react with simple basic nucleophiles to give a mixture of products arising from both substitution and elimination. As with substitution reactions‚ the rate at which elimination reactions proceed can be proportional to both the concentration of the base and the concentration
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Polymerization reaCTIONS polymers are high-molecular-weight compounds‚ fashioned by the aggregation of many smaller molecules called monomers. Ex. plastics that have so changed society and the natural and synthetic fibers used in clothing are polymers. Classification of polymers Homopolymers - consist of repeated long chains or structures of the same monomer unit. Ex. PVC(polyvinyl chloride) Copolymers - polymers that consist of more than one molecule. Trimers - molecules consisting
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never went without. Nevertheless‚ my mother was a hard worker and she made sure we handled our business. My favorite person is my mother because she has always supported me‚ she’s a great cook‚ and she can very entertaining. One of the main reasons I love my mother is because she has always supported me.
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ENGINEERING Reaction Engineering CGC035 / CGC052 Problem Sheet 3 - Fluid-fluid reactions 1. The reaction rate for the heterogeneous reaction A(g) + B(l)→ products is second order according to the expression -rA=kCACB and it is relatively slow compared to mass transfer so it takes place in the bulk of the liquid. Combine the following rate expressions for diffusion through the gas and liquid films‚ -rA=kAga(pA-pAi) and -rA=kAlaCAi-CA‚ with Henry’s law pAi=HACAi and the reaction rate
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Chemical Reactions Chemical Change • reorganization • original substances form new substances with different formulas • may or may not involve a change of state • symbols used to describe chemical reaction are known as a chemical equation • Chemical equations do not have equal signs (=) they have an arrow Chemical Equations • Must follow the Law of Conservation of Matter • atoms can neither be created or destroyed during a chemical reaction • What
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Li Yanhui No.10 Victoria Lannen M‚W 2-5 Practice Makes Perfect In the essay “ Expertise Dissected‚” Daniel J. Levitin believes that barely anyone can become an expert in their area without continuos practice. Moreover‚ he mentions that although talent is a major factor that people acquire skills more rapidly than others‚ with only talent‚ one cannot achieve success in that area. Finally‚ Levitin emphasizes that practice is the most essential factor leading to a significant
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happy dagger‚ / This is thy sheath‚” stabs herself (5.3.171). She dies upon Romeo’s body. The portal of the Juliet toward her parent and her family by saying that she doesn’t want to marry Paris as she had feeling for Romeo and they are madly in love and they get married. Tybalt is Juliet’s cousin‚ i.e. a Capulet. After he kills Romeo’s BFF‚ Mercutio‚ in a street brawl‚ Romeo mortally stabs him‚ which causes Romeo to be banished from Verona. You don’t have to look far for Tybalt’s motivation:
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BEEd 2A What is Love? Love is a very strong feeling of affection. Love? Love? Love? I know I’m too young to fall in love. I’m too young to say I found the right one. But there is really a moment in our life where we can say that we already found the one we would like to spend our forever with. The only one we wanted to love until God takes our breath away. True love isn’t easy‚ but it must be fought for. Because once you find it‚ it can never be replaced. The Love of my Life
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need to change. When I got married‚ those same skills I developed began to create strife in my home. I didn’t understand the friction because my style worked for me for over 30 years. My husband also fell in love with me because I was nice‚ caring and loving. The acceptance and love I received form others led me to believe that I was fine and caused me to wonder‚ what was wrong with my husband. I had a desire to get closer to God but something was hindering me. As I got into my Bible and
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CROOKED: English Translation: Nothing ever lasts forever In the end‚ you changed There is no reason‚ no sincerity Take away such a thing as love Tonight‚ I’ll be crooked Leave me alone I was alone anyway I have no one‚ everything is meaningless Take away the sugar-coated comfort Tonight‚ I’ll be crooked I scream and get dizzy I vent out of boredom to other couples I start fights for no reason like a town gangster Sometimes‚ I purposely shake my leg‚ crookedly The main characters of
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