Nando Parrado was an average Joe‚ always went with the flow. He didn’t really have any strong leadership skills that is until‚ his plane‚ the fairchild‚ crashed in the Andes mountains. Nando changes drastically from the beginning of the story to the end. He goes from not speaking up to the leader who saves lives‚ gives hope and encouragement. When his plane first crashed all he could think of was his sister Susy‚ and how he could keep her alive. Once she died he was lost. He questioned things
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Chemical Periodicity ------------------------------------------------- ABSTRACT The experiment chemical periodicity shows the properties and reactions belonging to group IA‚ IIA‚ and IVA. Proper procedures and observations were done to determine the solubility‚ physical state‚ color‚ and appearance of the compounds namely Li2CO3‚ Na2CO3‚ K2CO3‚ CaCO3‚ and BaCO3. The results shows that Li2CO3‚ Na2CO3‚ K2CO3 were soluble in water‚ while MgCO3‚ CaCO3‚and BaCO3 were not soluble. All of these compounds
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Full Lab Report Experiment #2: Acid-Base Titration Lab Description: Acid-Base Titration Introduction In this lab exercise we will evaluate the effectiveness of several indicators for the determination of the point of completion of a specific acid-base neutralization reaction. We will also determine the unknown concentration of the strong base NaOH by its reaction with a known amount of the weak acid‚ potassium acid phtalate (HKC8H4O4‚ abbreviated KHP). This will be accomplished using the titration
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EXPERIMENT 1: REACTIONS OF ENOLATE IONS WITH CARBONYL GROUPS Aims In this experiment we used two techniques for the reactions of enolate ions with carbonyl groups. One technique used was Doebner reaction and the other technique used was Claisen-Schmidt reaction. Therefore the aim of this experiment is to synthesize trans p-methoxycinnamic acid and to synthesize dibenzalacetone via an aldol condensation reaction between acetone and benzaldehyde. The products would be recrystallized using ethanol
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Experiment : 1 Tittle : Preparation of bis(acetylacetonato)copper(II) complex Objective : To synthesis the bis(acetylacetonato)copper(II) complex Introduction : A complex ion is usually form with high charge density metal ion as a central and formation of coordinate covalent bond (dative bond) with high electron molecules or ions. These molecules or ions are functioning as ligands (electrophile in organic compounds). They are easily attracted by electrophile (electron deficiency
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GS-1140 April 4th‚ 2015 Experiment We as a society have one big problem on our hands. This problem is sleep deprivation because there are not enough hours in the day to get stuff done. Between work‚ school‚ family‚ and leisure it seems like we do not have enough time to get are daily tasks done let alone have time for sleep. It is recommended by the U.S Department of Health that people need a solid eight hours of sleep to maintain good health. I don’t know about you‚ but I struggle every
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Bob thought about this “Why are you asking me this question‚ are you unhappy?” “No. I am not unhappy‚ I love you and the kids and we are doing well. But…” Tia told Bob about Jane and how it had triggered her own thoughts on her life‚ on their lives. Bob thought about this question‚ He was in his forties‚ reasonably successful‚ the clock ran his life‚ this was true and he admired Jane’s husband for keeping a specific time for his wife. Bob had never thought about it and he sensed that Tia disapproved
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protested and fought against the British rule. They did amazing things to shape our world today‚ although Nelson Mandela made a greater impact. Although Mahatma Gandhi did not make as great of a change‚ he improved our world. In the second paragraph of “Eulogy for Mahatma Gandhi”‚ it states‚ “Yet ultimately things happened which no doubt made him suffer tremendously‚ though his tender face never lost its smile and he never spoke a harsh word to anyone.” This tells us that he wanted to shape us into better
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Chemical Weapons Chemical weapons use the toxic properties of chemical substances rather than their explosive properties to produce physical or physiological effects on an enemy. Although instances of what might be styled as chemical weapons date to antiquity‚ much of the lore of chemical weapons as viewed today has its origins in World War I. During that conflict "gas" (actually an aerosol or vapor) was used effectively on numerous occasions by both sides to alter the outcome of battles. A significant
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Theme : Electrical Sector and Chemical Engineer a) “The Chemical Engineer – His Role in Electrical Manufacturing” by N.R. Maleady The article is about the role of chemical engineer in manufacturing transformers in the electrical manufacturing sector. The important components of the transformer are copper wire‚ cellulosic insulation‚ insulating varnish and dielectric liquid. Wire enamel or resin is the insulting structure for copper wire. The resin can either applied as a solution or in solventless
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