DAYSTAR UNIVERSITY PSYCHOLOGY (PSY 111T) GROUP PROJECT: CHANG’AA - THE DEADLY KILLER. PRESENTED BY: ANGELA OMONDI & KEVIN CHAVERA CHANG’AA: THE DEADLY KILLER. 1. Introduction Chang’aa is a popular alcoholic drink commonly found in Kenya and it was once illegal‚ but was recently legalized. According to online encyclopedia Wikipedia‚ the literal meaning of chang’aa is ‘kill me quick.’ It is a clear liquor which announces itself with a fierce burn and an after taste of soil when consumed.
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plastic is made‚ how fabric is made‚ how wood is made‚ and how paper is made. A permanent marker is a type of writing utensil that is used to create permanent lines on almost any surface. The ink of a permanent marker is water resistant‚ contains propanol‚ butanol‚ diacetone alcohol‚ and different dye colorings‚ and can vary between all colors from black to yellow. The process of creating a Sharpie permanent marker is not very long or complicated. First‚ the barrel of the marker is molded out of a
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Key Questions Unit Two Lesson Five 91/92= 99 % 15. a) 2‚3‚5-trimethylhexane b)3-ethyl-2‚4‚6‚7-tetramethyloctane c)2‚2-dimethylpentane 6 16. a)3-ethyl-3-methylhexane CH3 | CH3-CH2-CH-CH2-CH2-CH3 | CH2CH3 b) 1-ethyl-3-propylcyclohexane c) 2‚4-dimethylheptane CH3-CH-CH2-CH-CH2-CH2-CH3
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Organic Chemistry: CHP 225 Thomas Hsieh Experiment 2: Boiling Points o Date experiment was performed: September 16‚ 2011 o Objective: To determine the boiling point of organic compounds such as tert-butyl alcohol‚ sec-butyl alcohol‚ n-butyl alcohol‚ and an unknown. o Principle: Boiling point is the temperature at which gas and liquid phases coexist in equilibrium. At this temperature‚ the vaporization rate and the condensation rate are equal. The liquid and vapor reach a state of dynamic
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Alkynes Chapter 7 Triple Bond Structure Nomenclature IUPAC: use the infix -yn- to show the presence of a carbon-carbon triple bond 4 3 2 1 2 3 4 6 7 5 1 2 3 4 6 7 5 1 3-Methyl-1-butyne 6‚6-Dimethyl-3-heptyne 1‚6-Heptadiyne Common names: prefix the substituents on the triple bond to the name “acetylene” IUPAC name: Common name: 2-Butyne D imethylacetylene 1-Buten-3-yne Vinylacetylene Physical Properties
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The Effects of varying p-Nitrophenyl Phosphate concentrations on Alkaline Phosphatase Activity Nathan Overholt Louis Settembrino March 5‚ 2002 Abstract: The enzyme Alkaline Phosphatase was set up in solutions of varying p-nitrophenyl phosphate concentrations. A fixed time assay was used to find the Michaelis constant and Vmax. All solutions were incubated at 30 C° for 30 mins. Absorbances were measured at 405 nm‚ and the Km was found to be 0.002 M (pNPP) and the Vmax to be 0.433 A/min. Introduction:
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Potassium Hydroxide (KOH) Introduction Potassium hydroxide is an inorganic compound with the formula KOH‚ commonly called caustic potash. Along with sodium hydroxide (NaOH)‚ this colorless solid is a prototypical strong base. It has many industrial and niche applications. Most applications exploit its reactivity toward acids and its corrosive nature. In 2005‚ an estimated 700‚000 to 800‚000 tonnes were produced. Approximately 100 times more NaOH than KOH is produced annually. KOH is noteworthy
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1) A hypothesis is 1) an educated guess based on observations‚ that is testable 2) Consider the following statement: "If all vertebrates have backbones‚ and turtles are vertebrates‚ then turtles have backbones." This statement is an example of 2) hypothesis 3) Which of the following statements about evolution is true? 3) 4) Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least inclusive to most inclusive? 4) 5) What is the difference
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proportional to laccase activity (Parshetti et al.‚ 2011). The activity of Lignin peroxidase was determined by monitoring the conversion of propanaldehyde at 300 nm for 30 min in a reaction mixture of 10µl enzyme extract and 100µl containing 100mM n-propanol‚ 250 mM tartaric acid and 10 mM H2O2 (Kalyani et al.‚ 2008). The enzyme activities were measured at room temperature. One enzyme unit was defined as an activity producing 1µmol product per min (Laccase) or consuming 1 µmol substrate per min (LiP)
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Experiment 1: Preparation of 1-Bromobutane and Reactivity of Alkyl Halides Objective: The purpose of this lab is to prepare 1-bromobutane from 1-butanol in an acid-catalyzed substitution reaction. While the reaction would be expected to occur as SN2 due to the primary nature of the substrate‚ because H2SO4 is used as a solvent‚ the conditions are very polar and the reaction can proceed via an SN1 reaction. The main objective is to obtain test results to determine the mechanism of the reaction
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