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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My Reaction to Apollo 13 The movie Apollo13 is great but little kind of boring. Tom Hanks is a great artist! He is my idol. One of his great movie is Forrest Gump. By the way‚ The Apollo13 is America’s third moon landing mission. En route‚ an onboard explosion deprives their spacecraft of most of its oxygen supply and electric power‚ forcing NASA’s flight controllers to abort the Moon landing‚ and turning the mission into a struggle to get the three men home safely. I thought Jim’s wife was his
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are affected to some degree by egocentric biases. One cannot think clearly about what one is wrapped up in. —Holmes Rolston Egocentrism can manifest itself in a variety of ways. Two common forms are self-interested thinking and self-serving bias. Self-interested thinking is the tendency to accept and defend beliefs that harmonize with one’s self-interest. Almost no one is immune from self-interested thinking. Most doctors support legislation making it more difficult for them to be sued
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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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Gender Bias in Hindu Myths The concept of the Goddess‚ myth and dance is truly a tool which empowers for women of our culture. Although women are at times portrayed as inferior‚ they possess many strong qualities which break this stereotype. Women are beautiful‚ strong‚ and courageous‚ they are mothers and sisters and daughters‚ and without them this world would not exist. Women‚ since the time of the Vedas and Upanishads have been looked to carry their traditional heritage from generation to
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Study: TV May Perpetuate Race Bias In this article‚ researchers at Tufts University devised a study to reveal how even passive diversion may lead to actively damaging affects‚ especially when it comes to issues of race and how we shape out attitudes towards those of a different race. Being a couch potato may be more detrimental than previously thought. When I got to the part about which shows the researchers actually used in their studies‚ I couldn’t imagine how Scrubs could be bad to social
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Reactions in Aqueous Solutions: Metathesis Reactions and Net Ionic Equations Introduction: Metathesis or double decomposition reactions are a reaction in which two compounds react to form two new compounds‚ with no changes in oxidation number. The ions of two compounds exchange partners. AX + BY AY + BX This reaction can occur between two inorganic salts when one product is insoluble in water‚ driving the reaction forward. A typical example is as followed and is considered a molecular equation
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Is being bias a good or bad thing? Well in my opinion no its not. When people ask certain kinds of questions‚ the only way to answer to have a better answer is to be biased. Not everyone will think of the situation the way you will think about it. Most of the challenging problems that us human solve are known as inductive problems‚ these are problems that there is no right answer to the situation its identified based on the evidence you have or witnessed to have you think that certain way. When problem
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